61321000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 128

約数和(自身を含む): 159213600

約数和(自身を除く): 97892600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 53, 65, 89, 100, 104, 106, 125, 130, 178, 200, 212, 250, 260, 265, 325, 356, 424, 445, 500, 520, 530, 650, 689, 712, 890, 1000, 1060, 1157, 1300, 1325, 1378, 1625, 1780, 2120, 2225, 2314, 2600, 2650, 2756, 3250, 3445, 3560, 4450, 4628, 4717, 5300, 5512, 5785, 6500, 6625, 6890, 8900, 9256, 9434, 10600, 11125, 11570, 13000, 13250, 13780, 17225, 17800, 18868, 22250, 23140, 23585, 26500, 27560, 28925, 34450, 37736, 44500, 46280, 47170, 53000, 57850, 61321, 68900, 86125, 89000, 94340, 115700, 117925, 122642, 137800, 144625, 172250, 188680, 231400, 235850, 245284, 289250, 306605, 344500, 471700, 490568, 578500, 589625, 613210, 689000, 943400, 1157000, 1179250, 1226420, 1533025, 2358500, 2452840, 3066050, 4717000, 6132100, 7665125, 12264200, 15330250, 30660500, 61321000]

約数ペア:

[(1, 61321000), (2, 30660500), (4, 15330250), (5, 12264200), (8, 7665125), (10, 6132100), (13, 4717000), (20, 3066050), (25, 2452840), (26, 2358500), (40, 1533025), (50, 1226420), (52, 1179250), (53, 1157000), (65, 943400), (89, 689000), (100, 613210), (104, 589625), (106, 578500), (125, 490568), (130, 471700), (178, 344500), (200, 306605), (212, 289250), (250, 245284), (260, 235850), (265, 231400), (325, 188680), (356, 172250), (424, 144625), (445, 137800), (500, 122642), (520, 117925), (530, 115700), (650, 94340), (689, 89000), (712, 86125), (890, 68900), (1000, 61321), (1060, 57850), (1157, 53000), (1300, 47170), (1325, 46280), (1378, 44500), (1625, 37736), (1780, 34450), (2120, 28925), (2225, 27560), (2314, 26500), (2600, 23585), (2650, 23140), (2756, 22250), (3250, 18868), (3445, 17800), (3560, 17225), (4450, 13780), (4628, 13250), (4717, 13000), (5300, 11570), (5512, 11125), (5785, 10600), (6500, 9434), (6625, 9256), (6890, 8900)]