178236240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8161}}^1$

素因数の和:8197

約数の個数: 160

約数和(自身を含む): 680123136

約数和(自身を除く): 501886896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 8161, 10920, 16322, 21840, 24483, 32644, 40805, 48966, 57127, 65288, 81610, 97932, 106093, 114254, 122415, 130576, 163220, 171381, 195864, 212186, 228508, 244830, 285635, 318279, 326440, 342762, 391728, 424372, 457016, 489660, 530465, 571270, 636558, 652880, 685524, 742651, 848744, 856905, 914032, 979320, 1060930, 1142540, 1273116, 1371048, 1485302, 1591395, 1697488, 1713810, 1958640, 2121860, 2227953, 2285080, 2546232, 2742096, 2970604, 3182790, 3427620, 3713255, 4243720, 4455906, 4570160, 5092464, 5941208, 6365580, 6855240, 7426510, 8487440, 8911812, 11139765, 11882416, 12731160, 13710480, 14853020, 17823624, 22279530, 25462320, 29706040, 35647248, 44559060, 59412080, 89118120, 178236240]

約数ペア:

[(1, 178236240), (2, 89118120), (3, 59412080), (4, 44559060), (5, 35647248), (6, 29706040), (7, 25462320), (8, 22279530), (10, 17823624), (12, 14853020), (13, 13710480), (14, 12731160), (15, 11882416), (16, 11139765), (20, 8911812), (21, 8487440), (24, 7426510), (26, 6855240), (28, 6365580), (30, 5941208), (35, 5092464), (39, 4570160), (40, 4455906), (42, 4243720), (48, 3713255), (52, 3427620), (56, 3182790), (60, 2970604), (65, 2742096), (70, 2546232), (78, 2285080), (80, 2227953), (84, 2121860), (91, 1958640), (104, 1713810), (105, 1697488), (112, 1591395), (120, 1485302), (130, 1371048), (140, 1273116), (156, 1142540), (168, 1060930), (182, 979320), (195, 914032), (208, 856905), (210, 848744), (240, 742651), (260, 685524), (273, 652880), (280, 636558), (312, 571270), (336, 530465), (364, 489660), (390, 457016), (420, 424372), (455, 391728), (520, 342762), (546, 326440), (560, 318279), (624, 285635), (728, 244830), (780, 228508), (840, 212186), (910, 195864), (1040, 171381), (1092, 163220), (1365, 130576), (1456, 122415), (1560, 114254), (1680, 106093), (1820, 97932), (2184, 81610), (2730, 65288), (3120, 57127), (3640, 48966), (4368, 40805), (5460, 32644), (7280, 24483), (8161, 21840), (10920, 16322)]