1780564920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{315703}}^1$

素因数の和:315764

約数の個数: 64

約数和(自身を含む): 5455365120

約数和(自身を除く): 3674800200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 5640, 315703, 631406, 947109, 1262812, 1578515, 1894218, 2525624, 3157030, 3788436, 4735545, 6314060, 7576872, 9471090, 12628120, 14838041, 18942180, 29676082, 37884360, 44514123, 59352164, 74190205, 89028246, 118704328, 148380410, 178056492, 222570615, 296760820, 356112984, 445141230, 593521640, 890282460, 1780564920]

約数ペア:

[(1, 1780564920), (2, 890282460), (3, 593521640), (4, 445141230), (5, 356112984), (6, 296760820), (8, 222570615), (10, 178056492), (12, 148380410), (15, 118704328), (20, 89028246), (24, 74190205), (30, 59352164), (40, 44514123), (47, 37884360), (60, 29676082), (94, 18942180), (120, 14838041), (141, 12628120), (188, 9471090), (235, 7576872), (282, 6314060), (376, 4735545), (470, 3788436), (564, 3157030), (705, 2525624), (940, 1894218), (1128, 1578515), (1410, 1262812), (1880, 947109), (2820, 631406), (5640, 315703)]