161022680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1427}}^1$

素因数の和:1489

約数の個数: 128

約数和(自身を含む): 460615680

約数和(自身を除く): 299593000

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, 728, 806, 868, 910, 1085, 1240, 1427, 1612, 1736, 1820, 2015, 2170, 2821, 2854, 3224, 3640, 4030, 4340, 5642, 5708, 7135, 8060, 8680, 9989, 11284, 11416, 14105, 14270, 16120, 18551, 19978, 22568, 28210, 28540, 37102, 39956, 44237, 49945, 56420, 57080, 74204, 79912, 88474, 92755, 99890, 112840, 129857, 148408, 176948, 185510, 199780, 221185, 259714, 309659, 353896, 371020, 399560, 442370, 519428, 575081, 619318, 649285, 742040, 884740, 1038856, 1150162, 1238636, 1298570, 1548295, 1769480, 2300324, 2477272, 2597140, 2875405, 3096590, 4025567, 4600648, 5194280, 5750810, 6193180, 8051134, 11501620, 12386360, 16102268, 20127835, 23003240, 32204536, 40255670, 80511340, 161022680]

約数ペア:

[(1, 161022680), (2, 80511340), (4, 40255670), (5, 32204536), (7, 23003240), (8, 20127835), (10, 16102268), (13, 12386360), (14, 11501620), (20, 8051134), (26, 6193180), (28, 5750810), (31, 5194280), (35, 4600648), (40, 4025567), (52, 3096590), (56, 2875405), (62, 2597140), (65, 2477272), (70, 2300324), (91, 1769480), (104, 1548295), (124, 1298570), (130, 1238636), (140, 1150162), (155, 1038856), (182, 884740), (217, 742040), (248, 649285), (260, 619318), (280, 575081), (310, 519428), (364, 442370), (403, 399560), (434, 371020), (455, 353896), (520, 309659), (620, 259714), (728, 221185), (806, 199780), (868, 185510), (910, 176948), (1085, 148408), (1240, 129857), (1427, 112840), (1612, 99890), (1736, 92755), (1820, 88474), (2015, 79912), (2170, 74204), (2821, 57080), (2854, 56420), (3224, 49945), (3640, 44237), (4030, 39956), (4340, 37102), (5642, 28540), (5708, 28210), (7135, 22568), (8060, 19978), (8680, 18551), (9989, 16120), (11284, 14270), (11416, 14105)]