81241230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:238

約数の個数: 128

約数和(自身を含む): 232243200

約数和(自身を除く): 151001970

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 59, 70, 79, 83, 105, 118, 158, 166, 177, 210, 237, 249, 295, 354, 395, 413, 415, 474, 498, 553, 581, 590, 790, 826, 830, 885, 1106, 1162, 1185, 1239, 1245, 1659, 1743, 1770, 2065, 2370, 2478, 2490, 2765, 2905, 3318, 3486, 4130, 4661, 4897, 5530, 5810, 6195, 6557, 8295, 8715, 9322, 9794, 12390, 13114, 13983, 14691, 16590, 17430, 19671, 23305, 24485, 27966, 29382, 32627, 32785, 34279, 39342, 45899, 46610, 48970, 65254, 65570, 68558, 69915, 73455, 91798, 97881, 98355, 102837, 137697, 139830, 146910, 163135, 171395, 195762, 196710, 205674, 229495, 275394, 326270, 342790, 386863, 458990, 489405, 514185, 688485, 773726, 978810, 1028370, 1160589, 1376970, 1934315, 2321178, 2708041, 3868630, 5416082, 5802945, 8124123, 11605890, 13540205, 16248246, 27080410, 40620615, 81241230]

約数ペア:

[(1, 81241230), (2, 40620615), (3, 27080410), (5, 16248246), (6, 13540205), (7, 11605890), (10, 8124123), (14, 5802945), (15, 5416082), (21, 3868630), (30, 2708041), (35, 2321178), (42, 1934315), (59, 1376970), (70, 1160589), (79, 1028370), (83, 978810), (105, 773726), (118, 688485), (158, 514185), (166, 489405), (177, 458990), (210, 386863), (237, 342790), (249, 326270), (295, 275394), (354, 229495), (395, 205674), (413, 196710), (415, 195762), (474, 171395), (498, 163135), (553, 146910), (581, 139830), (590, 137697), (790, 102837), (826, 98355), (830, 97881), (885, 91798), (1106, 73455), (1162, 69915), (1185, 68558), (1239, 65570), (1245, 65254), (1659, 48970), (1743, 46610), (1770, 45899), (2065, 39342), (2370, 34279), (2478, 32785), (2490, 32627), (2765, 29382), (2905, 27966), (3318, 24485), (3486, 23305), (4130, 19671), (4661, 17430), (4897, 16590), (5530, 14691), (5810, 13983), (6195, 13114), (6557, 12390), (8295, 9794), (8715, 9322)]