2615421640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1823}}^1$

素因数の和:1967

約数の個数: 128

約数和(自身を含む): 6618931200

約数和(自身を除く): 4003509560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 89, 104, 124, 130, 155, 178, 248, 260, 310, 356, 403, 445, 520, 620, 712, 806, 890, 1157, 1240, 1612, 1780, 1823, 2015, 2314, 2759, 3224, 3560, 3646, 4030, 4628, 5518, 5785, 7292, 8060, 9115, 9256, 11036, 11570, 13795, 14584, 16120, 18230, 22072, 23140, 23699, 27590, 35867, 36460, 46280, 47398, 55180, 56513, 71734, 72920, 94796, 110360, 113026, 118495, 143468, 162247, 179335, 189592, 226052, 236990, 282565, 286936, 324494, 358670, 452104, 473980, 565130, 648988, 717340, 734669, 811235, 947960, 1130260, 1297976, 1434680, 1469338, 1622470, 2109211, 2260520, 2938676, 3244940, 3673345, 4218422, 5029657, 5877352, 6489880, 7346690, 8436844, 10059314, 10546055, 14693380, 16873688, 20118628, 21092110, 25148285, 29386760, 40237256, 42184220, 50296570, 65385541, 84368440, 100593140, 130771082, 201186280, 261542164, 326927705, 523084328, 653855410, 1307710820, 2615421640]

約数ペア:

[(1, 2615421640), (2, 1307710820), (4, 653855410), (5, 523084328), (8, 326927705), (10, 261542164), (13, 201186280), (20, 130771082), (26, 100593140), (31, 84368440), (40, 65385541), (52, 50296570), (62, 42184220), (65, 40237256), (89, 29386760), (104, 25148285), (124, 21092110), (130, 20118628), (155, 16873688), (178, 14693380), (248, 10546055), (260, 10059314), (310, 8436844), (356, 7346690), (403, 6489880), (445, 5877352), (520, 5029657), (620, 4218422), (712, 3673345), (806, 3244940), (890, 2938676), (1157, 2260520), (1240, 2109211), (1612, 1622470), (1780, 1469338), (1823, 1434680), (2015, 1297976), (2314, 1130260), (2759, 947960), (3224, 811235), (3560, 734669), (3646, 717340), (4030, 648988), (4628, 565130), (5518, 473980), (5785, 452104), (7292, 358670), (8060, 324494), (9115, 286936), (9256, 282565), (11036, 236990), (11570, 226052), (13795, 189592), (14584, 179335), (16120, 162247), (18230, 143468), (22072, 118495), (23140, 113026), (23699, 110360), (27590, 94796), (35867, 72920), (36460, 71734), (46280, 56513), (47398, 55180)]