138314560

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:312

約数の個数: 112

約数和(自身を含む): 346447872

約数和(自身を除く): 208133312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 73, 80, 124, 146, 155, 160, 191, 248, 292, 310, 320, 365, 382, 496, 584, 620, 730, 764, 955, 992, 1168, 1240, 1460, 1528, 1910, 1984, 2263, 2336, 2480, 2920, 3056, 3820, 4526, 4672, 4960, 5840, 5921, 6112, 7640, 9052, 9920, 11315, 11680, 11842, 12224, 13943, 15280, 18104, 22630, 23360, 23684, 27886, 29605, 30560, 36208, 45260, 47368, 55772, 59210, 61120, 69715, 72416, 90520, 94736, 111544, 118420, 139430, 144832, 181040, 189472, 223088, 236840, 278860, 362080, 378944, 432233, 446176, 473680, 557720, 724160, 864466, 892352, 947360, 1115440, 1728932, 1894720, 2161165, 2230880, 3457864, 4322330, 4461760, 6915728, 8644660, 13831456, 17289320, 27662912, 34578640, 69157280, 138314560]

約数ペア:

[(1, 138314560), (2, 69157280), (4, 34578640), (5, 27662912), (8, 17289320), (10, 13831456), (16, 8644660), (20, 6915728), (31, 4461760), (32, 4322330), (40, 3457864), (62, 2230880), (64, 2161165), (73, 1894720), (80, 1728932), (124, 1115440), (146, 947360), (155, 892352), (160, 864466), (191, 724160), (248, 557720), (292, 473680), (310, 446176), (320, 432233), (365, 378944), (382, 362080), (496, 278860), (584, 236840), (620, 223088), (730, 189472), (764, 181040), (955, 144832), (992, 139430), (1168, 118420), (1240, 111544), (1460, 94736), (1528, 90520), (1910, 72416), (1984, 69715), (2263, 61120), (2336, 59210), (2480, 55772), (2920, 47368), (3056, 45260), (3820, 36208), (4526, 30560), (4672, 29605), (4960, 27886), (5840, 23684), (5921, 23360), (6112, 22630), (7640, 18104), (9052, 15280), (9920, 13943), (11315, 12224), (11680, 11842)]