138456240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:451

約数の個数: 160

約数和(自身を含む): 466636800

約数和(自身を除く): 328180560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 199, 208, 223, 240, 260, 312, 390, 398, 446, 520, 597, 624, 669, 780, 796, 892, 995, 1040, 1115, 1194, 1338, 1560, 1592, 1784, 1990, 2230, 2388, 2587, 2676, 2899, 2985, 3120, 3184, 3345, 3568, 3980, 4460, 4776, 5174, 5352, 5798, 5970, 6690, 7761, 7960, 8697, 8920, 9552, 10348, 10704, 11596, 11940, 12935, 13380, 14495, 15522, 15920, 17394, 17840, 20696, 23192, 23880, 25870, 26760, 28990, 31044, 34788, 38805, 41392, 43485, 44377, 46384, 47760, 51740, 53520, 57980, 62088, 69576, 77610, 86970, 88754, 103480, 115960, 124176, 133131, 139152, 155220, 173940, 177508, 206960, 221885, 231920, 266262, 310440, 347880, 355016, 443770, 532524, 576901, 620880, 665655, 695760, 710032, 887540, 1065048, 1153802, 1331310, 1730703, 1775080, 2130096, 2307604, 2662620, 2884505, 3461406, 3550160, 4615208, 5325240, 5769010, 6922812, 8653515, 9230416, 10650480, 11538020, 13845624, 17307030, 23076040, 27691248, 34614060, 46152080, 69228120, 138456240]

約数ペア:

[(1, 138456240), (2, 69228120), (3, 46152080), (4, 34614060), (5, 27691248), (6, 23076040), (8, 17307030), (10, 13845624), (12, 11538020), (13, 10650480), (15, 9230416), (16, 8653515), (20, 6922812), (24, 5769010), (26, 5325240), (30, 4615208), (39, 3550160), (40, 3461406), (48, 2884505), (52, 2662620), (60, 2307604), (65, 2130096), (78, 1775080), (80, 1730703), (104, 1331310), (120, 1153802), (130, 1065048), (156, 887540), (195, 710032), (199, 695760), (208, 665655), (223, 620880), (240, 576901), (260, 532524), (312, 443770), (390, 355016), (398, 347880), (446, 310440), (520, 266262), (597, 231920), (624, 221885), (669, 206960), (780, 177508), (796, 173940), (892, 155220), (995, 139152), (1040, 133131), (1115, 124176), (1194, 115960), (1338, 103480), (1560, 88754), (1592, 86970), (1784, 77610), (1990, 69576), (2230, 62088), (2388, 57980), (2587, 53520), (2676, 51740), (2899, 47760), (2985, 46384), (3120, 44377), (3184, 43485), (3345, 41392), (3568, 38805), (3980, 34788), (4460, 31044), (4776, 28990), (5174, 26760), (5352, 25870), (5798, 23880), (5970, 23192), (6690, 20696), (7761, 17840), (7960, 17394), (8697, 15920), (8920, 15522), (9552, 14495), (10348, 13380), (10704, 12935), (11596, 11940)]