878231640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{839}}^1$

素因数の和:938

約数の個数: 256

約数和(自身を含む): 3149798400

約数和(自身を除く): 2271566760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 61, 65, 66, 78, 88, 104, 110, 120, 122, 130, 132, 143, 156, 165, 183, 195, 220, 244, 260, 264, 286, 305, 312, 330, 366, 390, 429, 440, 488, 520, 572, 610, 660, 671, 715, 732, 780, 793, 839, 858, 915, 1144, 1220, 1320, 1342, 1430, 1464, 1560, 1586, 1678, 1716, 1830, 2013, 2145, 2379, 2440, 2517, 2684, 2860, 3172, 3355, 3356, 3432, 3660, 3965, 4026, 4195, 4290, 4758, 5034, 5368, 5720, 6344, 6710, 6712, 7320, 7930, 8052, 8390, 8580, 8723, 9229, 9516, 10065, 10068, 10907, 11895, 12585, 13420, 15860, 16104, 16780, 17160, 17446, 18458, 19032, 20130, 20136, 21814, 23790, 25170, 26169, 26840, 27687, 31720, 32721, 33560, 34892, 36916, 40260, 43615, 43628, 46145, 47580, 50340, 51179, 52338, 54535, 55374, 65442, 69784, 73832, 80520, 87230, 87256, 92290, 95160, 100680, 102358, 104676, 109070, 110748, 119977, 130845, 130884, 138435, 153537, 163605, 174460, 184580, 204716, 209352, 218140, 221496, 239954, 255895, 261690, 261768, 276870, 307074, 327210, 348920, 359931, 369160, 409432, 436280, 479908, 511790, 523380, 553740, 562969, 599885, 614148, 654420, 665327, 719862, 767685, 959816, 1023580, 1046760, 1107480, 1125938, 1199770, 1228296, 1308840, 1330654, 1439724, 1535370, 1688907, 1799655, 1995981, 2047160, 2251876, 2399540, 2661308, 2814845, 2879448, 3070740, 3326635, 3377814, 3599310, 3991962, 4503752, 4799080, 5322616, 5629690, 6141480, 6653270, 6755628, 7198620, 7318597, 7983924, 8444535, 9979905, 11259380, 13306540, 13511256, 14397240, 14637194, 15967848, 16889070, 19959810, 21955791, 22518760, 26613080, 29274388, 33778140, 36592985, 39919620, 43911582, 58548776, 67556280, 73185970, 79839240, 87823164, 109778955, 146371940, 175646328, 219557910, 292743880, 439115820, 878231640]

約数ペア:

[(1, 878231640), (2, 439115820), (3, 292743880), (4, 219557910), (5, 175646328), (6, 146371940), (8, 109778955), (10, 87823164), (11, 79839240), (12, 73185970), (13, 67556280), (15, 58548776), (20, 43911582), (22, 39919620), (24, 36592985), (26, 33778140), (30, 29274388), (33, 26613080), (39, 22518760), (40, 21955791), (44, 19959810), (52, 16889070), (55, 15967848), (60, 14637194), (61, 14397240), (65, 13511256), (66, 13306540), (78, 11259380), (88, 9979905), (104, 8444535), (110, 7983924), (120, 7318597), (122, 7198620), (130, 6755628), (132, 6653270), (143, 6141480), (156, 5629690), (165, 5322616), (183, 4799080), (195, 4503752), (220, 3991962), (244, 3599310), (260, 3377814), (264, 3326635), (286, 3070740), (305, 2879448), (312, 2814845), (330, 2661308), (366, 2399540), (390, 2251876), (429, 2047160), (440, 1995981), (488, 1799655), (520, 1688907), (572, 1535370), (610, 1439724), (660, 1330654), (671, 1308840), (715, 1228296), (732, 1199770), (780, 1125938), (793, 1107480), (839, 1046760), (858, 1023580), (915, 959816), (1144, 767685), (1220, 719862), (1320, 665327), (1342, 654420), (1430, 614148), (1464, 599885), (1560, 562969), (1586, 553740), (1678, 523380), (1716, 511790), (1830, 479908), (2013, 436280), (2145, 409432), (2379, 369160), (2440, 359931), (2517, 348920), (2684, 327210), (2860, 307074), (3172, 276870), (3355, 261768), (3356, 261690), (3432, 255895), (3660, 239954), (3965, 221496), (4026, 218140), (4195, 209352), (4290, 204716), (4758, 184580), (5034, 174460), (5368, 163605), (5720, 153537), (6344, 138435), (6710, 130884), (6712, 130845), (7320, 119977), (7930, 110748), (8052, 109070), (8390, 104676), (8580, 102358), (8723, 100680), (9229, 95160), (9516, 92290), (10065, 87256), (10068, 87230), (10907, 80520), (11895, 73832), (12585, 69784), (13420, 65442), (15860, 55374), (16104, 54535), (16780, 52338), (17160, 51179), (17446, 50340), (18458, 47580), (19032, 46145), (20130, 43628), (20136, 43615), (21814, 40260), (23790, 36916), (25170, 34892), (26169, 33560), (26840, 32721), (27687, 31720)]