2155013960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1$

素因数の和:711

約数の個数: 128

約数和(自身を含む): 5407430400

約数和(自身を除く): 3252416440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 113, 178, 220, 226, 356, 440, 445, 452, 487, 565, 712, 890, 904, 974, 979, 1130, 1243, 1780, 1948, 1958, 2260, 2435, 2486, 3560, 3896, 3916, 4520, 4870, 4895, 4972, 5357, 6215, 7832, 9740, 9790, 9944, 10057, 10714, 12430, 19480, 19580, 20114, 21428, 24860, 26785, 39160, 40228, 42856, 43343, 49720, 50285, 53570, 55031, 80456, 86686, 100570, 107140, 110062, 110627, 173372, 201140, 214280, 216715, 220124, 221254, 275155, 346744, 402280, 433430, 440248, 442508, 476773, 550310, 553135, 605341, 866860, 885016, 953546, 1100620, 1106270, 1210682, 1733720, 1907092, 2201240, 2212540, 2383865, 2421364, 3026705, 3814184, 4425080, 4767730, 4842728, 4897759, 6053410, 9535460, 9795518, 12106820, 19070920, 19591036, 24213640, 24488795, 39182072, 48977590, 53875349, 97955180, 107750698, 195910360, 215501396, 269376745, 431002792, 538753490, 1077506980, 2155013960]

約数ペア:

[(1, 2155013960), (2, 1077506980), (4, 538753490), (5, 431002792), (8, 269376745), (10, 215501396), (11, 195910360), (20, 107750698), (22, 97955180), (40, 53875349), (44, 48977590), (55, 39182072), (88, 24488795), (89, 24213640), (110, 19591036), (113, 19070920), (178, 12106820), (220, 9795518), (226, 9535460), (356, 6053410), (440, 4897759), (445, 4842728), (452, 4767730), (487, 4425080), (565, 3814184), (712, 3026705), (890, 2421364), (904, 2383865), (974, 2212540), (979, 2201240), (1130, 1907092), (1243, 1733720), (1780, 1210682), (1948, 1106270), (1958, 1100620), (2260, 953546), (2435, 885016), (2486, 866860), (3560, 605341), (3896, 553135), (3916, 550310), (4520, 476773), (4870, 442508), (4895, 440248), (4972, 433430), (5357, 402280), (6215, 346744), (7832, 275155), (9740, 221254), (9790, 220124), (9944, 216715), (10057, 214280), (10714, 201140), (12430, 173372), (19480, 110627), (19580, 110062), (20114, 107140), (21428, 100570), (24860, 86686), (26785, 80456), (39160, 55031), (40228, 53570), (42856, 50285), (43343, 49720)]