1240476640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{12689}}^1$

素因数の和:12764

約数の個数: 96

約数和(自身を含む): 3223463040

約数和(自身を除く): 1982986400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 65, 80, 94, 104, 130, 160, 188, 208, 235, 260, 376, 416, 470, 520, 611, 752, 940, 1040, 1222, 1504, 1880, 2080, 2444, 3055, 3760, 4888, 6110, 7520, 9776, 12220, 12689, 19552, 24440, 25378, 48880, 50756, 63445, 97760, 101512, 126890, 164957, 203024, 253780, 329914, 406048, 507560, 596383, 659828, 824785, 1015120, 1192766, 1319656, 1649570, 2030240, 2385532, 2639312, 2981915, 3299140, 4771064, 5278624, 5963830, 6598280, 7752979, 9542128, 11927660, 13196560, 15505958, 19084256, 23855320, 26393120, 31011916, 38764895, 47710640, 62023832, 77529790, 95421280, 124047664, 155059580, 248095328, 310119160, 620238320, 1240476640]

約数ペア:

[(1, 1240476640), (2, 620238320), (4, 310119160), (5, 248095328), (8, 155059580), (10, 124047664), (13, 95421280), (16, 77529790), (20, 62023832), (26, 47710640), (32, 38764895), (40, 31011916), (47, 26393120), (52, 23855320), (65, 19084256), (80, 15505958), (94, 13196560), (104, 11927660), (130, 9542128), (160, 7752979), (188, 6598280), (208, 5963830), (235, 5278624), (260, 4771064), (376, 3299140), (416, 2981915), (470, 2639312), (520, 2385532), (611, 2030240), (752, 1649570), (940, 1319656), (1040, 1192766), (1222, 1015120), (1504, 824785), (1880, 659828), (2080, 596383), (2444, 507560), (3055, 406048), (3760, 329914), (4888, 253780), (6110, 203024), (7520, 164957), (9776, 126890), (12220, 101512), (12689, 97760), (19552, 63445), (24440, 50756), (25378, 48880)]