54517840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 160

約数和(自身を含む): 149990400

約数和(自身を除く): 95472560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 80, 89, 95, 104, 124, 130, 152, 155, 178, 190, 208, 247, 248, 260, 304, 310, 356, 380, 403, 445, 494, 496, 520, 589, 620, 712, 760, 806, 890, 988, 1040, 1157, 1178, 1235, 1240, 1424, 1520, 1612, 1691, 1780, 1976, 2015, 2314, 2356, 2470, 2480, 2759, 2945, 3224, 3382, 3560, 3952, 4030, 4628, 4712, 4940, 5518, 5785, 5890, 6448, 6764, 7120, 7657, 8060, 8455, 9256, 9424, 9880, 11036, 11570, 11780, 13528, 13795, 15314, 16120, 16910, 18512, 19760, 21983, 22072, 23140, 23560, 27056, 27590, 30628, 32240, 33820, 35867, 38285, 43966, 44144, 46280, 47120, 52421, 55180, 61256, 67640, 71734, 76570, 87932, 92560, 104842, 109915, 110360, 122512, 135280, 143468, 153140, 175864, 179335, 209684, 219830, 220720, 262105, 286936, 306280, 351728, 358670, 419368, 439660, 524210, 573872, 612560, 681473, 717340, 838736, 879320, 1048420, 1362946, 1434680, 1758640, 2096840, 2725892, 2869360, 3407365, 4193680, 5451784, 6814730, 10903568, 13629460, 27258920, 54517840]

約数ペア:

[(1, 54517840), (2, 27258920), (4, 13629460), (5, 10903568), (8, 6814730), (10, 5451784), (13, 4193680), (16, 3407365), (19, 2869360), (20, 2725892), (26, 2096840), (31, 1758640), (38, 1434680), (40, 1362946), (52, 1048420), (62, 879320), (65, 838736), (76, 717340), (80, 681473), (89, 612560), (95, 573872), (104, 524210), (124, 439660), (130, 419368), (152, 358670), (155, 351728), (178, 306280), (190, 286936), (208, 262105), (247, 220720), (248, 219830), (260, 209684), (304, 179335), (310, 175864), (356, 153140), (380, 143468), (403, 135280), (445, 122512), (494, 110360), (496, 109915), (520, 104842), (589, 92560), (620, 87932), (712, 76570), (760, 71734), (806, 67640), (890, 61256), (988, 55180), (1040, 52421), (1157, 47120), (1178, 46280), (1235, 44144), (1240, 43966), (1424, 38285), (1520, 35867), (1612, 33820), (1691, 32240), (1780, 30628), (1976, 27590), (2015, 27056), (2314, 23560), (2356, 23140), (2470, 22072), (2480, 21983), (2759, 19760), (2945, 18512), (3224, 16910), (3382, 16120), (3560, 15314), (3952, 13795), (4030, 13528), (4628, 11780), (4712, 11570), (4940, 11036), (5518, 9880), (5785, 9424), (5890, 9256), (6448, 8455), (6764, 8060), (7120, 7657)]