77868160

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^2\times {\mathrm{421}}^1$

素因数の和:474

約数の個数: 96

約数和(自身を含む): 198217620

約数和(自身を除く): 120349460

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 289, 320, 340, 421, 544, 578, 640, 680, 842, 1088, 1156, 1360, 1445, 1684, 2105, 2176, 2312, 2720, 2890, 3368, 4210, 4624, 5440, 5780, 6736, 7157, 8420, 9248, 10880, 11560, 13472, 14314, 16840, 18496, 23120, 26944, 28628, 33680, 35785, 36992, 46240, 53888, 57256, 67360, 71570, 92480, 114512, 121669, 134720, 143140, 184960, 229024, 243338, 269440, 286280, 458048, 486676, 572560, 608345, 916096, 973352, 1145120, 1216690, 1946704, 2290240, 2433380, 3893408, 4580480, 4866760, 7786816, 9733520, 15573632, 19467040, 38934080, 77868160]

約数ペア:

[(1, 77868160), (2, 38934080), (4, 19467040), (5, 15573632), (8, 9733520), (10, 7786816), (16, 4866760), (17, 4580480), (20, 3893408), (32, 2433380), (34, 2290240), (40, 1946704), (64, 1216690), (68, 1145120), (80, 973352), (85, 916096), (128, 608345), (136, 572560), (160, 486676), (170, 458048), (272, 286280), (289, 269440), (320, 243338), (340, 229024), (421, 184960), (544, 143140), (578, 134720), (640, 121669), (680, 114512), (842, 92480), (1088, 71570), (1156, 67360), (1360, 57256), (1445, 53888), (1684, 46240), (2105, 36992), (2176, 35785), (2312, 33680), (2720, 28628), (2890, 26944), (3368, 23120), (4210, 18496), (4624, 16840), (5440, 14314), (5780, 13472), (6736, 11560), (7157, 10880), (8420, 9248)]