20212937440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:378

約数の個数: 288

約数和(自身を含む): 53473996800

約数和(自身を除く): 33261059360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 59, 62, 68, 80, 85, 118, 124, 136, 155, 160, 170, 236, 239, 248, 272, 289, 295, 310, 340, 472, 478, 496, 527, 544, 578, 590, 620, 680, 944, 956, 992, 1003, 1054, 1156, 1180, 1195, 1240, 1360, 1445, 1829, 1888, 1912, 2006, 2108, 2312, 2360, 2390, 2480, 2635, 2720, 2890, 3658, 3824, 4012, 4063, 4216, 4624, 4720, 4780, 4960, 5015, 5270, 5780, 7316, 7409, 7648, 8024, 8126, 8432, 8959, 9145, 9248, 9440, 9560, 10030, 10540, 11560, 14101, 14632, 14818, 16048, 16252, 16864, 17051, 17918, 18290, 19120, 20060, 20315, 21080, 23120, 28202, 29264, 29636, 31093, 32096, 32504, 34102, 35836, 36580, 37045, 38240, 40120, 40630, 42160, 44795, 46240, 56404, 58528, 59272, 62186, 65008, 68204, 69071, 70505, 71672, 73160, 74090, 80240, 81260, 84320, 85255, 89590, 112808, 118544, 124372, 125953, 130016, 136408, 138142, 141010, 143344, 146320, 148180, 155465, 160480, 162520, 170510, 179180, 225616, 237088, 239717, 248744, 251906, 272816, 276284, 282020, 286688, 292640, 296360, 310930, 325040, 341020, 345355, 358360, 437131, 451232, 479434, 497488, 503812, 528581, 545632, 552568, 564040, 592720, 621860, 629765, 650080, 682040, 690710, 716720, 874262, 958868, 994976, 1007624, 1057162, 1105136, 1128080, 1185440, 1198585, 1243720, 1259530, 1364080, 1381420, 1433440, 1748524, 1917736, 2015248, 2114324, 2141201, 2185655, 2210272, 2256160, 2397170, 2487440, 2519060, 2642905, 2728160, 2762840, 3497048, 3835472, 4030496, 4075189, 4228648, 4282402, 4371310, 4794340, 4974880, 5038120, 5285810, 5525680, 6994096, 7431227, 7670944, 8150378, 8457296, 8564804, 8742620, 9588680, 10076240, 10571620, 10706005, 11051360, 13988192, 14862454, 16300756, 16914592, 17129608, 17485240, 19177360, 20152480, 20375945, 21143240, 21412010, 29724908, 32601512, 34259216, 34970480, 37156135, 38354720, 40751890, 42286480, 42824020, 59449816, 65203024, 68518432, 69940960, 74312270, 81503780, 84572960, 85648040, 118899632, 126330859, 130406048, 148624540, 163007560, 171296080, 237799264, 252661718, 297249080, 326015120, 342592160, 505323436, 594498160, 631654295, 652030240, 1010646872, 1188996320, 1263308590, 2021293744, 2526617180, 4042587488, 5053234360, 10106468720, 20212937440]

約数ペア:

[(1, 20212937440), (2, 10106468720), (4, 5053234360), (5, 4042587488), (8, 2526617180), (10, 2021293744), (16, 1263308590), (17, 1188996320), (20, 1010646872), (31, 652030240), (32, 631654295), (34, 594498160), (40, 505323436), (59, 342592160), (62, 326015120), (68, 297249080), (80, 252661718), (85, 237799264), (118, 171296080), (124, 163007560), (136, 148624540), (155, 130406048), (160, 126330859), (170, 118899632), (236, 85648040), (239, 84572960), (248, 81503780), (272, 74312270), (289, 69940960), (295, 68518432), (310, 65203024), (340, 59449816), (472, 42824020), (478, 42286480), (496, 40751890), (527, 38354720), (544, 37156135), (578, 34970480), (590, 34259216), (620, 32601512), (680, 29724908), (944, 21412010), (956, 21143240), (992, 20375945), (1003, 20152480), (1054, 19177360), (1156, 17485240), (1180, 17129608), (1195, 16914592), (1240, 16300756), (1360, 14862454), (1445, 13988192), (1829, 11051360), (1888, 10706005), (1912, 10571620), (2006, 10076240), (2108, 9588680), (2312, 8742620), (2360, 8564804), (2390, 8457296), (2480, 8150378), (2635, 7670944), (2720, 7431227), (2890, 6994096), (3658, 5525680), (3824, 5285810), (4012, 5038120), (4063, 4974880), (4216, 4794340), (4624, 4371310), (4720, 4282402), (4780, 4228648), (4960, 4075189), (5015, 4030496), (5270, 3835472), (5780, 3497048), (7316, 2762840), (7409, 2728160), (7648, 2642905), (8024, 2519060), (8126, 2487440), (8432, 2397170), (8959, 2256160), (9145, 2210272), (9248, 2185655), (9440, 2141201), (9560, 2114324), (10030, 2015248), (10540, 1917736), (11560, 1748524), (14101, 1433440), (14632, 1381420), (14818, 1364080), (16048, 1259530), (16252, 1243720), (16864, 1198585), (17051, 1185440), (17918, 1128080), (18290, 1105136), (19120, 1057162), (20060, 1007624), (20315, 994976), (21080, 958868), (23120, 874262), (28202, 716720), (29264, 690710), (29636, 682040), (31093, 650080), (32096, 629765), (32504, 621860), (34102, 592720), (35836, 564040), (36580, 552568), (37045, 545632), (38240, 528581), (40120, 503812), (40630, 497488), (42160, 479434), (44795, 451232), (46240, 437131), (56404, 358360), (58528, 345355), (59272, 341020), (62186, 325040), (65008, 310930), (68204, 296360), (69071, 292640), (70505, 286688), (71672, 282020), (73160, 276284), (74090, 272816), (80240, 251906), (81260, 248744), (84320, 239717), (85255, 237088), (89590, 225616), (112808, 179180), (118544, 170510), (124372, 162520), (125953, 160480), (130016, 155465), (136408, 148180), (138142, 146320), (141010, 143344)]