64536720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2467}}^1$

素因数の和:2592

約数の個数: 80

約数和(自身を含む): 201981120

約数和(自身を除く): 137444400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 872, 1090, 1308, 1635, 1744, 2180, 2467, 2616, 3270, 4360, 4934, 5232, 6540, 7401, 8720, 9868, 12335, 13080, 14802, 19736, 24670, 26160, 29604, 37005, 39472, 49340, 59208, 74010, 98680, 118416, 148020, 197360, 268903, 296040, 537806, 592080, 806709, 1075612, 1344515, 1613418, 2151224, 2689030, 3226836, 4033545, 4302448, 5378060, 6453672, 8067090, 10756120, 12907344, 16134180, 21512240, 32268360, 64536720]

約数ペア:

[(1, 64536720), (2, 32268360), (3, 21512240), (4, 16134180), (5, 12907344), (6, 10756120), (8, 8067090), (10, 6453672), (12, 5378060), (15, 4302448), (16, 4033545), (20, 3226836), (24, 2689030), (30, 2151224), (40, 1613418), (48, 1344515), (60, 1075612), (80, 806709), (109, 592080), (120, 537806), (218, 296040), (240, 268903), (327, 197360), (436, 148020), (545, 118416), (654, 98680), (872, 74010), (1090, 59208), (1308, 49340), (1635, 39472), (1744, 37005), (2180, 29604), (2467, 26160), (2616, 24670), (3270, 19736), (4360, 14802), (4934, 13080), (5232, 12335), (6540, 9868), (7401, 8720)]