68931240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:664

約数の個数: 192

約数和(自身を含む): 253627200

約数和(自身を除く): 184695960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 49, 56, 57, 60, 70, 76, 84, 95, 98, 105, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 245, 266, 280, 285, 294, 380, 392, 399, 420, 456, 490, 532, 570, 588, 617, 665, 735, 760, 798, 840, 931, 980, 1064, 1140, 1176, 1234, 1330, 1470, 1596, 1851, 1862, 1960, 1995, 2280, 2468, 2660, 2793, 2940, 3085, 3192, 3702, 3724, 3990, 4319, 4655, 4936, 5320, 5586, 5880, 6170, 7404, 7448, 7980, 8638, 9255, 9310, 11172, 11723, 12340, 12957, 13965, 14808, 15960, 17276, 18510, 18620, 21595, 22344, 23446, 24680, 25914, 27930, 30233, 34552, 35169, 37020, 37240, 43190, 46892, 51828, 55860, 58615, 60466, 64785, 70338, 74040, 82061, 86380, 90699, 93784, 103656, 111720, 117230, 120932, 129570, 140676, 151165, 164122, 172760, 175845, 181398, 234460, 241864, 246183, 259140, 281352, 302330, 328244, 351690, 362796, 410305, 453495, 468920, 492366, 518280, 574427, 604660, 656488, 703380, 725592, 820610, 906990, 984732, 1148854, 1209320, 1230915, 1406760, 1641220, 1723281, 1813980, 1969464, 2297708, 2461830, 2872135, 3282440, 3446562, 3627960, 4595416, 4923660, 5744270, 6893124, 8616405, 9847320, 11488540, 13786248, 17232810, 22977080, 34465620, 68931240]

約数ペア:

[(1, 68931240), (2, 34465620), (3, 22977080), (4, 17232810), (5, 13786248), (6, 11488540), (7, 9847320), (8, 8616405), (10, 6893124), (12, 5744270), (14, 4923660), (15, 4595416), (19, 3627960), (20, 3446562), (21, 3282440), (24, 2872135), (28, 2461830), (30, 2297708), (35, 1969464), (38, 1813980), (40, 1723281), (42, 1641220), (49, 1406760), (56, 1230915), (57, 1209320), (60, 1148854), (70, 984732), (76, 906990), (84, 820610), (95, 725592), (98, 703380), (105, 656488), (114, 604660), (120, 574427), (133, 518280), (140, 492366), (147, 468920), (152, 453495), (168, 410305), (190, 362796), (196, 351690), (210, 328244), (228, 302330), (245, 281352), (266, 259140), (280, 246183), (285, 241864), (294, 234460), (380, 181398), (392, 175845), (399, 172760), (420, 164122), (456, 151165), (490, 140676), (532, 129570), (570, 120932), (588, 117230), (617, 111720), (665, 103656), (735, 93784), (760, 90699), (798, 86380), (840, 82061), (931, 74040), (980, 70338), (1064, 64785), (1140, 60466), (1176, 58615), (1234, 55860), (1330, 51828), (1470, 46892), (1596, 43190), (1851, 37240), (1862, 37020), (1960, 35169), (1995, 34552), (2280, 30233), (2468, 27930), (2660, 25914), (2793, 24680), (2940, 23446), (3085, 22344), (3192, 21595), (3702, 18620), (3724, 18510), (3990, 17276), (4319, 15960), (4655, 14808), (4936, 13965), (5320, 12957), (5586, 12340), (5880, 11723), (6170, 11172), (7404, 9310), (7448, 9255), (7980, 8638)]