72556120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:705

約数の個数: 128

約数和(自身を含む): 207728640

約数和(自身を除く): 135172520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 643, 728, 806, 868, 910, 1085, 1240, 1286, 1612, 1736, 1820, 2015, 2170, 2572, 2821, 3215, 3224, 3640, 4030, 4340, 4501, 5144, 5642, 6430, 8060, 8359, 8680, 9002, 11284, 12860, 14105, 16120, 16718, 18004, 19933, 22505, 22568, 25720, 28210, 33436, 36008, 39866, 41795, 45010, 56420, 58513, 66872, 79732, 83590, 90020, 99665, 112840, 117026, 139531, 159464, 167180, 180040, 199330, 234052, 259129, 279062, 292565, 334360, 398660, 468104, 518258, 558124, 585130, 697655, 797320, 1036516, 1116248, 1170260, 1295645, 1395310, 1813903, 2073032, 2340520, 2591290, 2790620, 3627806, 5182580, 5581240, 7255612, 9069515, 10365160, 14511224, 18139030, 36278060, 72556120]

約数ペア:

[(1, 72556120), (2, 36278060), (4, 18139030), (5, 14511224), (7, 10365160), (8, 9069515), (10, 7255612), (13, 5581240), (14, 5182580), (20, 3627806), (26, 2790620), (28, 2591290), (31, 2340520), (35, 2073032), (40, 1813903), (52, 1395310), (56, 1295645), (62, 1170260), (65, 1116248), (70, 1036516), (91, 797320), (104, 697655), (124, 585130), (130, 558124), (140, 518258), (155, 468104), (182, 398660), (217, 334360), (248, 292565), (260, 279062), (280, 259129), (310, 234052), (364, 199330), (403, 180040), (434, 167180), (455, 159464), (520, 139531), (620, 117026), (643, 112840), (728, 99665), (806, 90020), (868, 83590), (910, 79732), (1085, 66872), (1240, 58513), (1286, 56420), (1612, 45010), (1736, 41795), (1820, 39866), (2015, 36008), (2170, 33436), (2572, 28210), (2821, 25720), (3215, 22568), (3224, 22505), (3640, 19933), (4030, 18004), (4340, 16718), (4501, 16120), (5144, 14105), (5642, 12860), (6430, 11284), (8060, 9002), (8359, 8680)]