78279240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 192

約数和(自身を含む): 268833600

約数和(自身を除く): 190554360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 139, 152, 156, 190, 195, 228, 247, 260, 278, 285, 312, 361, 380, 390, 417, 456, 494, 520, 556, 570, 695, 722, 741, 760, 780, 834, 988, 1083, 1112, 1140, 1235, 1390, 1444, 1482, 1560, 1668, 1805, 1807, 1976, 2085, 2166, 2280, 2470, 2641, 2780, 2888, 2964, 3336, 3610, 3614, 3705, 4170, 4332, 4693, 4940, 5282, 5415, 5421, 5560, 5928, 7220, 7228, 7410, 7923, 8340, 8664, 9035, 9386, 9880, 10564, 10830, 10842, 13205, 14079, 14440, 14456, 14820, 15846, 16680, 18070, 18772, 21128, 21660, 21684, 23465, 26410, 27105, 28158, 29640, 31692, 34333, 36140, 37544, 39615, 43320, 43368, 46930, 50179, 52820, 54210, 56316, 63384, 68666, 70395, 72280, 79230, 93860, 100358, 102999, 105640, 108420, 112632, 137332, 140790, 150537, 158460, 171665, 187720, 200716, 205998, 216840, 250895, 274664, 281580, 301074, 316920, 343330, 401432, 411996, 501790, 514995, 563160, 602148, 652327, 686660, 752685, 823992, 1003580, 1029990, 1204296, 1304654, 1373320, 1505370, 1956981, 2007160, 2059980, 2609308, 3010740, 3261635, 3913962, 4119960, 5218616, 6021480, 6523270, 7827924, 9784905, 13046540, 15655848, 19569810, 26093080, 39139620, 78279240]

約数ペア:

[(1, 78279240), (2, 39139620), (3, 26093080), (4, 19569810), (5, 15655848), (6, 13046540), (8, 9784905), (10, 7827924), (12, 6523270), (13, 6021480), (15, 5218616), (19, 4119960), (20, 3913962), (24, 3261635), (26, 3010740), (30, 2609308), (38, 2059980), (39, 2007160), (40, 1956981), (52, 1505370), (57, 1373320), (60, 1304654), (65, 1204296), (76, 1029990), (78, 1003580), (95, 823992), (104, 752685), (114, 686660), (120, 652327), (130, 602148), (139, 563160), (152, 514995), (156, 501790), (190, 411996), (195, 401432), (228, 343330), (247, 316920), (260, 301074), (278, 281580), (285, 274664), (312, 250895), (361, 216840), (380, 205998), (390, 200716), (417, 187720), (456, 171665), (494, 158460), (520, 150537), (556, 140790), (570, 137332), (695, 112632), (722, 108420), (741, 105640), (760, 102999), (780, 100358), (834, 93860), (988, 79230), (1083, 72280), (1112, 70395), (1140, 68666), (1235, 63384), (1390, 56316), (1444, 54210), (1482, 52820), (1560, 50179), (1668, 46930), (1805, 43368), (1807, 43320), (1976, 39615), (2085, 37544), (2166, 36140), (2280, 34333), (2470, 31692), (2641, 29640), (2780, 28158), (2888, 27105), (2964, 26410), (3336, 23465), (3610, 21684), (3614, 21660), (3705, 21128), (4170, 18772), (4332, 18070), (4693, 16680), (4940, 15846), (5282, 14820), (5415, 14456), (5421, 14440), (5560, 14079), (5928, 13205), (7220, 10842), (7228, 10830), (7410, 10564), (7923, 9880), (8340, 9386), (8664, 9035)]