256196880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:278

約数の個数: 240

約数和(自身を含む): 904138560

約数和(自身を除く): 647941680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 59, 60, 72, 74, 80, 90, 111, 118, 120, 144, 148, 163, 177, 180, 185, 222, 236, 240, 295, 296, 326, 333, 354, 360, 370, 444, 472, 489, 531, 555, 590, 592, 652, 666, 708, 720, 740, 815, 885, 888, 944, 978, 1062, 1110, 1180, 1304, 1332, 1416, 1467, 1480, 1630, 1665, 1770, 1776, 1956, 2124, 2183, 2220, 2360, 2445, 2608, 2655, 2664, 2832, 2934, 2960, 3260, 3330, 3540, 3912, 4248, 4366, 4440, 4720, 4890, 5310, 5328, 5868, 6031, 6520, 6549, 6660, 7080, 7335, 7824, 8496, 8732, 8880, 9617, 9780, 10620, 10915, 11736, 12062, 13040, 13098, 13320, 14160, 14670, 17464, 18093, 19234, 19560, 19647, 21240, 21830, 23472, 24124, 26196, 26640, 28851, 29340, 30155, 32745, 34928, 36186, 38468, 39120, 39294, 42480, 43660, 48085, 48248, 52392, 54279, 57702, 58680, 60310, 65490, 72372, 76936, 78588, 86553, 87320, 90465, 96170, 96496, 98235, 104784, 108558, 115404, 117360, 120620, 130980, 144255, 144744, 153872, 157176, 173106, 174640, 180930, 192340, 196470, 217116, 230808, 241240, 261960, 271395, 288510, 289488, 314352, 346212, 355829, 361860, 384680, 392940, 432765, 434232, 461616, 482480, 523920, 542790, 577020, 692424, 711658, 723720, 769360, 785880, 865530, 868464, 1067487, 1085580, 1154040, 1384848, 1423316, 1447440, 1571760, 1731060, 1779145, 2134974, 2171160, 2308080, 2846632, 3202461, 3462120, 3558290, 4269948, 4342320, 5337435, 5693264, 6404922, 6924240, 7116580, 8539896, 10674870, 12809844, 14233160, 16012305, 17079792, 21349740, 25619688, 28466320, 32024610, 42699480, 51239376, 64049220, 85398960, 128098440, 256196880]

約数ペア:

[(1, 256196880), (2, 128098440), (3, 85398960), (4, 64049220), (5, 51239376), (6, 42699480), (8, 32024610), (9, 28466320), (10, 25619688), (12, 21349740), (15, 17079792), (16, 16012305), (18, 14233160), (20, 12809844), (24, 10674870), (30, 8539896), (36, 7116580), (37, 6924240), (40, 6404922), (45, 5693264), (48, 5337435), (59, 4342320), (60, 4269948), (72, 3558290), (74, 3462120), (80, 3202461), (90, 2846632), (111, 2308080), (118, 2171160), (120, 2134974), (144, 1779145), (148, 1731060), (163, 1571760), (177, 1447440), (180, 1423316), (185, 1384848), (222, 1154040), (236, 1085580), (240, 1067487), (295, 868464), (296, 865530), (326, 785880), (333, 769360), (354, 723720), (360, 711658), (370, 692424), (444, 577020), (472, 542790), (489, 523920), (531, 482480), (555, 461616), (590, 434232), (592, 432765), (652, 392940), (666, 384680), (708, 361860), (720, 355829), (740, 346212), (815, 314352), (885, 289488), (888, 288510), (944, 271395), (978, 261960), (1062, 241240), (1110, 230808), (1180, 217116), (1304, 196470), (1332, 192340), (1416, 180930), (1467, 174640), (1480, 173106), (1630, 157176), (1665, 153872), (1770, 144744), (1776, 144255), (1956, 130980), (2124, 120620), (2183, 117360), (2220, 115404), (2360, 108558), (2445, 104784), (2608, 98235), (2655, 96496), (2664, 96170), (2832, 90465), (2934, 87320), (2960, 86553), (3260, 78588), (3330, 76936), (3540, 72372), (3912, 65490), (4248, 60310), (4366, 58680), (4440, 57702), (4720, 54279), (4890, 52392), (5310, 48248), (5328, 48085), (5868, 43660), (6031, 42480), (6520, 39294), (6549, 39120), (6660, 38468), (7080, 36186), (7335, 34928), (7824, 32745), (8496, 30155), (8732, 29340), (8880, 28851), (9617, 26640), (9780, 26196), (10620, 24124), (10915, 23472), (11736, 21830), (12062, 21240), (13040, 19647), (13098, 19560), (13320, 19234), (14160, 18093), (14670, 17464)]