491194080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1381}}^1$

素因数の和:1434

約数の個数: 288

約数和(自身を含む): 1901521440

約数和(自身を除く): 1410327360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 32, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 96, 104, 114, 117, 120, 130, 144, 152, 156, 160, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 288, 304, 312, 342, 360, 380, 390, 416, 456, 468, 480, 494, 520, 570, 585, 608, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1235, 1248, 1368, 1381, 1440, 1482, 1520, 1560, 1710, 1824, 1872, 1976, 2080, 2223, 2280, 2340, 2470, 2736, 2762, 2964, 3040, 3120, 3420, 3705, 3744, 3952, 4143, 4446, 4560, 4680, 4940, 5472, 5524, 5928, 6240, 6840, 6905, 7410, 7904, 8286, 8892, 9120, 9360, 9880, 11048, 11115, 11856, 12429, 13680, 13810, 14820, 16572, 17784, 17953, 18720, 19760, 20715, 22096, 22230, 23712, 24858, 26239, 27360, 27620, 29640, 33144, 35568, 35906, 39520, 41430, 44192, 44460, 49716, 52478, 53859, 55240, 59280, 62145, 66288, 71136, 71812, 78717, 82860, 88920, 89765, 99432, 104956, 107718, 110480, 118560, 124290, 131195, 132576, 143624, 157434, 161577, 165720, 177840, 179530, 198864, 209912, 215436, 220960, 236151, 248580, 262390, 269295, 287248, 314868, 323154, 331440, 341107, 355680, 359060, 393585, 397728, 419824, 430872, 472302, 497160, 524780, 538590, 574496, 629736, 646308, 662880, 682214, 718120, 787170, 807885, 839648, 861744, 944604, 994320, 1023321, 1049560, 1077180, 1180755, 1259472, 1292616, 1364428, 1436240, 1574340, 1615770, 1705535, 1723488, 1889208, 1988640, 2046642, 2099120, 2154360, 2361510, 2518944, 2585232, 2728856, 2872480, 3069963, 3148680, 3231540, 3411070, 3778416, 4093284, 4198240, 4308720, 4723020, 5116605, 5170464, 5457712, 6139926, 6297360, 6463080, 6822140, 7556832, 8186568, 8617440, 9446040, 10233210, 10915424, 12279852, 12594720, 12926160, 13644280, 15349815, 16373136, 18892080, 20466420, 24559704, 25852320, 27288560, 30699630, 32746272, 37784160, 40932840, 49119408, 54577120, 61399260, 81865680, 98238816, 122798520, 163731360, 245597040, 491194080]

約数ペア:

[(1, 491194080), (2, 245597040), (3, 163731360), (4, 122798520), (5, 98238816), (6, 81865680), (8, 61399260), (9, 54577120), (10, 49119408), (12, 40932840), (13, 37784160), (15, 32746272), (16, 30699630), (18, 27288560), (19, 25852320), (20, 24559704), (24, 20466420), (26, 18892080), (30, 16373136), (32, 15349815), (36, 13644280), (38, 12926160), (39, 12594720), (40, 12279852), (45, 10915424), (48, 10233210), (52, 9446040), (57, 8617440), (60, 8186568), (65, 7556832), (72, 6822140), (76, 6463080), (78, 6297360), (80, 6139926), (90, 5457712), (95, 5170464), (96, 5116605), (104, 4723020), (114, 4308720), (117, 4198240), (120, 4093284), (130, 3778416), (144, 3411070), (152, 3231540), (156, 3148680), (160, 3069963), (171, 2872480), (180, 2728856), (190, 2585232), (195, 2518944), (208, 2361510), (228, 2154360), (234, 2099120), (240, 2046642), (247, 1988640), (260, 1889208), (285, 1723488), (288, 1705535), (304, 1615770), (312, 1574340), (342, 1436240), (360, 1364428), (380, 1292616), (390, 1259472), (416, 1180755), (456, 1077180), (468, 1049560), (480, 1023321), (494, 994320), (520, 944604), (570, 861744), (585, 839648), (608, 807885), (624, 787170), (684, 718120), (720, 682214), (741, 662880), (760, 646308), (780, 629736), (855, 574496), (912, 538590), (936, 524780), (988, 497160), (1040, 472302), (1140, 430872), (1170, 419824), (1235, 397728), (1248, 393585), (1368, 359060), (1381, 355680), (1440, 341107), (1482, 331440), (1520, 323154), (1560, 314868), (1710, 287248), (1824, 269295), (1872, 262390), (1976, 248580), (2080, 236151), (2223, 220960), (2280, 215436), (2340, 209912), (2470, 198864), (2736, 179530), (2762, 177840), (2964, 165720), (3040, 161577), (3120, 157434), (3420, 143624), (3705, 132576), (3744, 131195), (3952, 124290), (4143, 118560), (4446, 110480), (4560, 107718), (4680, 104956), (4940, 99432), (5472, 89765), (5524, 88920), (5928, 82860), (6240, 78717), (6840, 71812), (6905, 71136), (7410, 66288), (7904, 62145), (8286, 59280), (8892, 55240), (9120, 53859), (9360, 52478), (9880, 49716), (11048, 44460), (11115, 44192), (11856, 41430), (12429, 39520), (13680, 35906), (13810, 35568), (14820, 33144), (16572, 29640), (17784, 27620), (17953, 27360), (18720, 26239), (19760, 24858), (20715, 23712), (22096, 22230)]