81176940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:448

約数の個数: 144

約数和(自身を含む): 268396128

約数和(自身を除く): 187219188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 113, 117, 130, 156, 180, 195, 226, 234, 260, 307, 339, 390, 452, 468, 565, 585, 614, 678, 780, 921, 1017, 1130, 1170, 1228, 1356, 1469, 1535, 1695, 1842, 2034, 2260, 2340, 2763, 2938, 3070, 3390, 3684, 3991, 4068, 4407, 4605, 5085, 5526, 5876, 6140, 6780, 7345, 7982, 8814, 9210, 10170, 11052, 11973, 13221, 13815, 14690, 15964, 17628, 18420, 19955, 20340, 22035, 23946, 26442, 27630, 29380, 34691, 35919, 39910, 44070, 47892, 52884, 55260, 59865, 66105, 69382, 71838, 79820, 88140, 104073, 119730, 132210, 138764, 143676, 173455, 179595, 208146, 239460, 264420, 312219, 346910, 359190, 416292, 450983, 520365, 624438, 693820, 718380, 901966, 1040730, 1248876, 1352949, 1561095, 1803932, 2081460, 2254915, 2705898, 3122190, 4058847, 4509830, 5411796, 6244380, 6764745, 8117694, 9019660, 13529490, 16235388, 20294235, 27058980, 40588470, 81176940]

約数ペア:

[(1, 81176940), (2, 40588470), (3, 27058980), (4, 20294235), (5, 16235388), (6, 13529490), (9, 9019660), (10, 8117694), (12, 6764745), (13, 6244380), (15, 5411796), (18, 4509830), (20, 4058847), (26, 3122190), (30, 2705898), (36, 2254915), (39, 2081460), (45, 1803932), (52, 1561095), (60, 1352949), (65, 1248876), (78, 1040730), (90, 901966), (113, 718380), (117, 693820), (130, 624438), (156, 520365), (180, 450983), (195, 416292), (226, 359190), (234, 346910), (260, 312219), (307, 264420), (339, 239460), (390, 208146), (452, 179595), (468, 173455), (565, 143676), (585, 138764), (614, 132210), (678, 119730), (780, 104073), (921, 88140), (1017, 79820), (1130, 71838), (1170, 69382), (1228, 66105), (1356, 59865), (1469, 55260), (1535, 52884), (1695, 47892), (1842, 44070), (2034, 39910), (2260, 35919), (2340, 34691), (2763, 29380), (2938, 27630), (3070, 26442), (3390, 23946), (3684, 22035), (3991, 20340), (4068, 19955), (4407, 18420), (4605, 17628), (5085, 15964), (5526, 14690), (5876, 13815), (6140, 13221), (6780, 11973), (7345, 11052), (7982, 10170), (8814, 9210)]