81001830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29671}}^1$

素因数の和:29701

約数の個数: 64

約数和(自身を含む): 239275008

約数和(自身を除く): 158273178

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 29671, 59342, 89013, 148355, 178026, 207697, 296710, 385723, 415394, 445065, 623091, 771446, 890130, 1038485, 1157169, 1246182, 1928615, 2076970, 2314338, 2700061, 3115455, 3857230, 5400122, 5785845, 6230910, 8100183, 11571690, 13500305, 16200366, 27000610, 40500915, 81001830]

約数ペア:

[(1, 81001830), (2, 40500915), (3, 27000610), (5, 16200366), (6, 13500305), (7, 11571690), (10, 8100183), (13, 6230910), (14, 5785845), (15, 5400122), (21, 3857230), (26, 3115455), (30, 2700061), (35, 2314338), (39, 2076970), (42, 1928615), (65, 1246182), (70, 1157169), (78, 1038485), (91, 890130), (105, 771446), (130, 623091), (182, 445065), (195, 415394), (210, 385723), (273, 296710), (390, 207697), (455, 178026), (546, 148355), (910, 89013), (1365, 59342), (2730, 29671)]