72451680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{21563}}^1$

素因数の和:21588

約数の個数: 96

約数和(自身を含む): 260838144

約数和(自身を除く): 188386464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 21563, 43126, 64689, 86252, 107815, 129378, 150941, 172504, 215630, 258756, 301882, 323445, 345008, 431260, 452823, 517512, 603764, 646890, 690016, 754705, 862520, 905646, 1035024, 1207528, 1293780, 1509410, 1725040, 1811292, 2070048, 2264115, 2415056, 2587560, 3018820, 3450080, 3622584, 4528230, 4830112, 5175120, 6037640, 7245168, 9056460, 10350240, 12075280, 14490336, 18112920, 24150560, 36225840, 72451680]

約数ペア:

[(1, 72451680), (2, 36225840), (3, 24150560), (4, 18112920), (5, 14490336), (6, 12075280), (7, 10350240), (8, 9056460), (10, 7245168), (12, 6037640), (14, 5175120), (15, 4830112), (16, 4528230), (20, 3622584), (21, 3450080), (24, 3018820), (28, 2587560), (30, 2415056), (32, 2264115), (35, 2070048), (40, 1811292), (42, 1725040), (48, 1509410), (56, 1293780), (60, 1207528), (70, 1035024), (80, 905646), (84, 862520), (96, 754705), (105, 690016), (112, 646890), (120, 603764), (140, 517512), (160, 452823), (168, 431260), (210, 345008), (224, 323445), (240, 301882), (280, 258756), (336, 215630), (420, 172504), (480, 150941), (560, 129378), (672, 107815), (840, 86252), (1120, 64689), (1680, 43126), (3360, 21563)]