280198475120

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1303}}^1\times {\mathrm{72649}}^1$

素因数の和:74002

約数の個数: 80

約数和(自身を含む): 669591220800

約数和(自身を除く): 389392745680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1303, 1480, 2606, 2960, 5212, 6515, 10424, 13030, 20848, 26060, 48211, 52120, 72649, 96422, 104240, 145298, 192844, 241055, 290596, 363245, 385688, 482110, 581192, 726490, 771376, 964220, 1162384, 1452980, 1928440, 2688013, 2905960, 3856880, 5376026, 5811920, 10752052, 13440065, 21504104, 26880130, 43008208, 53760260, 94661647, 107520520, 189323294, 215041040, 378646588, 473308235, 757293176, 946616470, 1514586352, 1893232940, 3502480939, 3786465880, 7004961878, 7572931760, 14009923756, 17512404695, 28019847512, 35024809390, 56039695024, 70049618780, 140099237560, 280198475120]

約数ペア:

[(1, 280198475120), (2, 140099237560), (4, 70049618780), (5, 56039695024), (8, 35024809390), (10, 28019847512), (16, 17512404695), (20, 14009923756), (37, 7572931760), (40, 7004961878), (74, 3786465880), (80, 3502480939), (148, 1893232940), (185, 1514586352), (296, 946616470), (370, 757293176), (592, 473308235), (740, 378646588), (1303, 215041040), (1480, 189323294), (2606, 107520520), (2960, 94661647), (5212, 53760260), (6515, 43008208), (10424, 26880130), (13030, 21504104), (20848, 13440065), (26060, 10752052), (48211, 5811920), (52120, 5376026), (72649, 3856880), (96422, 2905960), (104240, 2688013), (145298, 1928440), (192844, 1452980), (241055, 1162384), (290596, 964220), (363245, 771376), (385688, 726490), (482110, 581192)]