178612680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:403

約数の個数: 128

約数和(自身を含む): 551577600

約数和(自身を除く): 372964920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 83, 120, 158, 166, 227, 237, 249, 316, 332, 395, 415, 454, 474, 498, 632, 664, 681, 790, 830, 908, 948, 996, 1135, 1185, 1245, 1362, 1580, 1660, 1816, 1896, 1992, 2270, 2370, 2490, 2724, 3160, 3320, 3405, 4540, 4740, 4980, 5448, 6557, 6810, 9080, 9480, 9960, 13114, 13620, 17933, 18841, 19671, 26228, 27240, 32785, 35866, 37682, 39342, 52456, 53799, 56523, 65570, 71732, 75364, 78684, 89665, 94205, 98355, 107598, 113046, 131140, 143464, 150728, 157368, 179330, 188410, 196710, 215196, 226092, 262280, 268995, 282615, 358660, 376820, 393420, 430392, 452184, 537990, 565230, 717320, 753640, 786840, 1075980, 1130460, 1488439, 2151960, 2260920, 2976878, 4465317, 5953756, 7442195, 8930634, 11907512, 14884390, 17861268, 22326585, 29768780, 35722536, 44653170, 59537560, 89306340, 178612680]

約数ペア:

[(1, 178612680), (2, 89306340), (3, 59537560), (4, 44653170), (5, 35722536), (6, 29768780), (8, 22326585), (10, 17861268), (12, 14884390), (15, 11907512), (20, 8930634), (24, 7442195), (30, 5953756), (40, 4465317), (60, 2976878), (79, 2260920), (83, 2151960), (120, 1488439), (158, 1130460), (166, 1075980), (227, 786840), (237, 753640), (249, 717320), (316, 565230), (332, 537990), (395, 452184), (415, 430392), (454, 393420), (474, 376820), (498, 358660), (632, 282615), (664, 268995), (681, 262280), (790, 226092), (830, 215196), (908, 196710), (948, 188410), (996, 179330), (1135, 157368), (1185, 150728), (1245, 143464), (1362, 131140), (1580, 113046), (1660, 107598), (1816, 98355), (1896, 94205), (1992, 89665), (2270, 78684), (2370, 75364), (2490, 71732), (2724, 65570), (3160, 56523), (3320, 53799), (3405, 52456), (4540, 39342), (4740, 37682), (4980, 35866), (5448, 32785), (6557, 27240), (6810, 26228), (9080, 19671), (9480, 18841), (9960, 17933), (13114, 13620)]