81215160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:765

約数の個数: 128

約数和(自身を含む): 266112000

約数和(自身を除く): 184896840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 79, 104, 120, 130, 156, 158, 195, 237, 260, 312, 316, 390, 395, 474, 520, 632, 659, 780, 790, 948, 1027, 1185, 1318, 1560, 1580, 1896, 1977, 2054, 2370, 2636, 3081, 3160, 3295, 3954, 4108, 4740, 5135, 5272, 6162, 6590, 7908, 8216, 8567, 9480, 9885, 10270, 12324, 13180, 15405, 15816, 17134, 19770, 20540, 24648, 25701, 26360, 30810, 34268, 39540, 41080, 42835, 51402, 52061, 61620, 68536, 79080, 85670, 102804, 104122, 123240, 128505, 156183, 171340, 205608, 208244, 257010, 260305, 312366, 342680, 416488, 514020, 520610, 624732, 676793, 780915, 1028040, 1041220, 1249464, 1353586, 1561830, 2030379, 2082440, 2707172, 3123660, 3383965, 4060758, 5414344, 6247320, 6767930, 8121516, 10151895, 13535860, 16243032, 20303790, 27071720, 40607580, 81215160]

約数ペア:

[(1, 81215160), (2, 40607580), (3, 27071720), (4, 20303790), (5, 16243032), (6, 13535860), (8, 10151895), (10, 8121516), (12, 6767930), (13, 6247320), (15, 5414344), (20, 4060758), (24, 3383965), (26, 3123660), (30, 2707172), (39, 2082440), (40, 2030379), (52, 1561830), (60, 1353586), (65, 1249464), (78, 1041220), (79, 1028040), (104, 780915), (120, 676793), (130, 624732), (156, 520610), (158, 514020), (195, 416488), (237, 342680), (260, 312366), (312, 260305), (316, 257010), (390, 208244), (395, 205608), (474, 171340), (520, 156183), (632, 128505), (659, 123240), (780, 104122), (790, 102804), (948, 85670), (1027, 79080), (1185, 68536), (1318, 61620), (1560, 52061), (1580, 51402), (1896, 42835), (1977, 41080), (2054, 39540), (2370, 34268), (2636, 30810), (3081, 26360), (3160, 25701), (3295, 24648), (3954, 20540), (4108, 19770), (4740, 17134), (5135, 15816), (5272, 15405), (6162, 13180), (6590, 12324), (7908, 10270), (8216, 9885), (8567, 9480)]