21915048240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{8689}}^1$

素因数の和:8852

約数の個数: 240

約数和(自身を含む): 76653308160

約数和(自身を除く): 54738259920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 113, 120, 124, 144, 155, 180, 186, 226, 240, 248, 279, 310, 339, 360, 372, 452, 465, 496, 558, 565, 620, 678, 720, 744, 904, 930, 1017, 1116, 1130, 1240, 1356, 1395, 1488, 1695, 1808, 1860, 2034, 2232, 2260, 2480, 2712, 2790, 3390, 3503, 3720, 4068, 4464, 4520, 5085, 5424, 5580, 6780, 7006, 7440, 8136, 8689, 9040, 10170, 10509, 11160, 13560, 14012, 16272, 17378, 17515, 20340, 21018, 22320, 26067, 27120, 28024, 31527, 34756, 35030, 40680, 42036, 43445, 52134, 52545, 56048, 63054, 69512, 70060, 78201, 81360, 84072, 86890, 104268, 105090, 126108, 130335, 139024, 140120, 156402, 157635, 168144, 173780, 208536, 210180, 252216, 260670, 269359, 280240, 312804, 315270, 347560, 391005, 417072, 420360, 504432, 521340, 538718, 625608, 630540, 695120, 782010, 808077, 840720, 981857, 1042680, 1077436, 1251216, 1261080, 1346795, 1564020, 1616154, 1963714, 2085360, 2154872, 2424231, 2522160, 2693590, 2945571, 3128040, 3232308, 3927428, 4040385, 4309744, 4848462, 4909285, 5387180, 5891142, 6256080, 6464616, 7854856, 8080770, 8836713, 9696924, 9818570, 10774360, 11782284, 12121155, 12929232, 14727855, 15709712, 16161540, 17673426, 19393848, 19637140, 21548720, 23564568, 24242310, 29455710, 30437567, 32323080, 35346852, 38787696, 39274280, 44183565, 47129136, 48484620, 58911420, 60875134, 64646160, 70693704, 78548560, 88367130, 91312701, 96969240, 117822840, 121750268, 141387408, 152187835, 176734260, 182625402, 193938480, 235645680, 243500536, 273938103, 304375670, 353468520, 365250804, 456563505, 487001072, 547876206, 608751340, 706937040, 730501608, 913127010, 1095752412, 1217502680, 1369690515, 1461003216, 1826254020, 2191504824, 2435005360, 2739381030, 3652508040, 4383009648, 5478762060, 7305016080, 10957524120, 21915048240]

約数ペア:

[(1, 21915048240), (2, 10957524120), (3, 7305016080), (4, 5478762060), (5, 4383009648), (6, 3652508040), (8, 2739381030), (9, 2435005360), (10, 2191504824), (12, 1826254020), (15, 1461003216), (16, 1369690515), (18, 1217502680), (20, 1095752412), (24, 913127010), (30, 730501608), (31, 706937040), (36, 608751340), (40, 547876206), (45, 487001072), (48, 456563505), (60, 365250804), (62, 353468520), (72, 304375670), (80, 273938103), (90, 243500536), (93, 235645680), (113, 193938480), (120, 182625402), (124, 176734260), (144, 152187835), (155, 141387408), (180, 121750268), (186, 117822840), (226, 96969240), (240, 91312701), (248, 88367130), (279, 78548560), (310, 70693704), (339, 64646160), (360, 60875134), (372, 58911420), (452, 48484620), (465, 47129136), (496, 44183565), (558, 39274280), (565, 38787696), (620, 35346852), (678, 32323080), (720, 30437567), (744, 29455710), (904, 24242310), (930, 23564568), (1017, 21548720), (1116, 19637140), (1130, 19393848), (1240, 17673426), (1356, 16161540), (1395, 15709712), (1488, 14727855), (1695, 12929232), (1808, 12121155), (1860, 11782284), (2034, 10774360), (2232, 9818570), (2260, 9696924), (2480, 8836713), (2712, 8080770), (2790, 7854856), (3390, 6464616), (3503, 6256080), (3720, 5891142), (4068, 5387180), (4464, 4909285), (4520, 4848462), (5085, 4309744), (5424, 4040385), (5580, 3927428), (6780, 3232308), (7006, 3128040), (7440, 2945571), (8136, 2693590), (8689, 2522160), (9040, 2424231), (10170, 2154872), (10509, 2085360), (11160, 1963714), (13560, 1616154), (14012, 1564020), (16272, 1346795), (17378, 1261080), (17515, 1251216), (20340, 1077436), (21018, 1042680), (22320, 981857), (26067, 840720), (27120, 808077), (28024, 782010), (31527, 695120), (34756, 630540), (35030, 625608), (40680, 538718), (42036, 521340), (43445, 504432), (52134, 420360), (52545, 417072), (56048, 391005), (63054, 347560), (69512, 315270), (70060, 312804), (78201, 280240), (81360, 269359), (84072, 260670), (86890, 252216), (104268, 210180), (105090, 208536), (126108, 173780), (130335, 168144), (139024, 157635), (140120, 156402)]