51807537280

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1\times {\mathrm{5233}}^1$

素因数の和:5782

約数の個数: 128

約数和(自身を含む): 128128320000

約数和(自身を除く): 76320782720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 499, 620, 640, 992, 998, 1240, 1984, 1996, 2480, 2495, 3968, 3992, 4960, 4990, 5233, 7984, 9920, 9980, 10466, 15469, 15968, 19840, 19960, 20932, 26165, 30938, 31936, 39920, 41864, 52330, 61876, 63872, 77345, 79840, 83728, 104660, 123752, 154690, 159680, 162223, 167456, 209320, 247504, 309380, 319360, 324446, 334912, 418640, 495008, 618760, 648892, 669824, 811115, 837280, 990016, 1237520, 1297784, 1622230, 1674560, 1980032, 2475040, 2595568, 2611267, 3244460, 3349120, 4950080, 5191136, 5222534, 6488920, 9900160, 10382272, 10445068, 12977840, 13056335, 20764544, 20890136, 25955680, 26112670, 41780272, 51911360, 52225340, 80949277, 83560544, 103822720, 104450680, 161898554, 167121088, 208901360, 323797108, 334242176, 404746385, 417802720, 647594216, 809492770, 835605440, 1295188432, 1618985540, 1671210880, 2590376864, 3237971080, 5180753728, 6475942160, 10361507456, 12951884320, 25903768640, 51807537280]

約数ペア:

[(1, 51807537280), (2, 25903768640), (4, 12951884320), (5, 10361507456), (8, 6475942160), (10, 5180753728), (16, 3237971080), (20, 2590376864), (31, 1671210880), (32, 1618985540), (40, 1295188432), (62, 835605440), (64, 809492770), (80, 647594216), (124, 417802720), (128, 404746385), (155, 334242176), (160, 323797108), (248, 208901360), (310, 167121088), (320, 161898554), (496, 104450680), (499, 103822720), (620, 83560544), (640, 80949277), (992, 52225340), (998, 51911360), (1240, 41780272), (1984, 26112670), (1996, 25955680), (2480, 20890136), (2495, 20764544), (3968, 13056335), (3992, 12977840), (4960, 10445068), (4990, 10382272), (5233, 9900160), (7984, 6488920), (9920, 5222534), (9980, 5191136), (10466, 4950080), (15469, 3349120), (15968, 3244460), (19840, 2611267), (19960, 2595568), (20932, 2475040), (26165, 1980032), (30938, 1674560), (31936, 1622230), (39920, 1297784), (41864, 1237520), (52330, 990016), (61876, 837280), (63872, 811115), (77345, 669824), (79840, 648892), (83728, 618760), (104660, 495008), (123752, 418640), (154690, 334912), (159680, 324446), (162223, 319360), (167456, 309380), (209320, 247504)]