27258920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 128

約数和(自身を含む): 72576000

約数和(自身を除く): 45317080

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 89, 95, 104, 124, 130, 152, 155, 178, 190, 247, 248, 260, 310, 356, 380, 403, 445, 494, 520, 589, 620, 712, 760, 806, 890, 988, 1157, 1178, 1235, 1240, 1612, 1691, 1780, 1976, 2015, 2314, 2356, 2470, 2759, 2945, 3224, 3382, 3560, 4030, 4628, 4712, 4940, 5518, 5785, 5890, 6764, 7657, 8060, 8455, 9256, 9880, 11036, 11570, 11780, 13528, 13795, 15314, 16120, 16910, 21983, 22072, 23140, 23560, 27590, 30628, 33820, 35867, 38285, 43966, 46280, 52421, 55180, 61256, 67640, 71734, 76570, 87932, 104842, 109915, 110360, 143468, 153140, 175864, 179335, 209684, 219830, 262105, 286936, 306280, 358670, 419368, 439660, 524210, 681473, 717340, 879320, 1048420, 1362946, 1434680, 2096840, 2725892, 3407365, 5451784, 6814730, 13629460, 27258920]

約数ペア:

[(1, 27258920), (2, 13629460), (4, 6814730), (5, 5451784), (8, 3407365), (10, 2725892), (13, 2096840), (19, 1434680), (20, 1362946), (26, 1048420), (31, 879320), (38, 717340), (40, 681473), (52, 524210), (62, 439660), (65, 419368), (76, 358670), (89, 306280), (95, 286936), (104, 262105), (124, 219830), (130, 209684), (152, 179335), (155, 175864), (178, 153140), (190, 143468), (247, 110360), (248, 109915), (260, 104842), (310, 87932), (356, 76570), (380, 71734), (403, 67640), (445, 61256), (494, 55180), (520, 52421), (589, 46280), (620, 43966), (712, 38285), (760, 35867), (806, 33820), (890, 30628), (988, 27590), (1157, 23560), (1178, 23140), (1235, 22072), (1240, 21983), (1612, 16910), (1691, 16120), (1780, 15314), (1976, 13795), (2015, 13528), (2314, 11780), (2356, 11570), (2470, 11036), (2759, 9880), (2945, 9256), (3224, 8455), (3382, 8060), (3560, 7657), (4030, 6764), (4628, 5890), (4712, 5785), (4940, 5518)]