31255380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:103

約数の個数: 216

約数和(自身を含む): 110669832

約数和(自身を除く): 79414452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 37, 38, 39, 45, 52, 57, 60, 65, 74, 76, 78, 90, 95, 111, 114, 117, 130, 148, 156, 171, 180, 185, 190, 195, 222, 228, 234, 247, 260, 285, 333, 342, 361, 370, 380, 390, 444, 468, 481, 494, 555, 570, 585, 666, 684, 703, 722, 740, 741, 780, 855, 962, 988, 1083, 1110, 1140, 1170, 1235, 1332, 1406, 1443, 1444, 1482, 1665, 1710, 1805, 1924, 2109, 2166, 2220, 2223, 2340, 2405, 2470, 2812, 2886, 2964, 3249, 3330, 3420, 3515, 3610, 3705, 4218, 4329, 4332, 4446, 4693, 4810, 4940, 5415, 5772, 6327, 6498, 6660, 7030, 7215, 7220, 7410, 8436, 8658, 8892, 9139, 9386, 9620, 10545, 10830, 11115, 12654, 12996, 13357, 14060, 14079, 14430, 14820, 16245, 17316, 18278, 18772, 21090, 21645, 21660, 22230, 23465, 25308, 26714, 27417, 28158, 28860, 31635, 32490, 36556, 40071, 42180, 42237, 43290, 44460, 45695, 46930, 53428, 54834, 56316, 63270, 64980, 66785, 70395, 80142, 82251, 84474, 86580, 91390, 93860, 109668, 120213, 126540, 133570, 137085, 140790, 160284, 164502, 168948, 173641, 182780, 200355, 211185, 240426, 267140, 274170, 281580, 329004, 347282, 400710, 411255, 422370, 480852, 520923, 548340, 601065, 694564, 801420, 822510, 844740, 868205, 1041846, 1202130, 1562769, 1645020, 1736410, 2083692, 2404260, 2604615, 3125538, 3472820, 5209230, 6251076, 7813845, 10418460, 15627690, 31255380]

約数ペア:

[(1, 31255380), (2, 15627690), (3, 10418460), (4, 7813845), (5, 6251076), (6, 5209230), (9, 3472820), (10, 3125538), (12, 2604615), (13, 2404260), (15, 2083692), (18, 1736410), (19, 1645020), (20, 1562769), (26, 1202130), (30, 1041846), (36, 868205), (37, 844740), (38, 822510), (39, 801420), (45, 694564), (52, 601065), (57, 548340), (60, 520923), (65, 480852), (74, 422370), (76, 411255), (78, 400710), (90, 347282), (95, 329004), (111, 281580), (114, 274170), (117, 267140), (130, 240426), (148, 211185), (156, 200355), (171, 182780), (180, 173641), (185, 168948), (190, 164502), (195, 160284), (222, 140790), (228, 137085), (234, 133570), (247, 126540), (260, 120213), (285, 109668), (333, 93860), (342, 91390), (361, 86580), (370, 84474), (380, 82251), (390, 80142), (444, 70395), (468, 66785), (481, 64980), (494, 63270), (555, 56316), (570, 54834), (585, 53428), (666, 46930), (684, 45695), (703, 44460), (722, 43290), (740, 42237), (741, 42180), (780, 40071), (855, 36556), (962, 32490), (988, 31635), (1083, 28860), (1110, 28158), (1140, 27417), (1170, 26714), (1235, 25308), (1332, 23465), (1406, 22230), (1443, 21660), (1444, 21645), (1482, 21090), (1665, 18772), (1710, 18278), (1805, 17316), (1924, 16245), (2109, 14820), (2166, 14430), (2220, 14079), (2223, 14060), (2340, 13357), (2405, 12996), (2470, 12654), (2812, 11115), (2886, 10830), (2964, 10545), (3249, 9620), (3330, 9386), (3420, 9139), (3515, 8892), (3610, 8658), (3705, 8436), (4218, 7410), (4329, 7220), (4332, 7215), (4446, 7030), (4693, 6660), (4810, 6498), (4940, 6327), (5415, 5772)]