228834560

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 580823040

約数和(自身を除く): 351988480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 73, 79, 80, 124, 128, 146, 155, 158, 160, 248, 256, 292, 310, 316, 320, 365, 395, 496, 584, 620, 632, 640, 730, 790, 992, 1168, 1240, 1264, 1280, 1460, 1580, 1984, 2263, 2336, 2449, 2480, 2528, 2920, 3160, 3968, 4526, 4672, 4898, 4960, 5056, 5767, 5840, 6320, 7936, 9052, 9344, 9796, 9920, 10112, 11315, 11534, 11680, 12245, 12640, 18104, 18688, 19592, 19840, 20224, 22630, 23068, 23360, 24490, 25280, 28835, 36208, 39184, 39680, 45260, 46136, 46720, 48980, 50560, 57670, 72416, 78368, 90520, 92272, 93440, 97960, 101120, 115340, 144832, 156736, 178777, 181040, 184544, 195920, 230680, 289664, 313472, 357554, 362080, 369088, 391840, 461360, 579328, 626944, 715108, 724160, 738176, 783680, 893885, 922720, 1430216, 1448320, 1476352, 1567360, 1787770, 1845440, 2860432, 2896640, 3134720, 3575540, 3690880, 5720864, 7151080, 7381760, 11441728, 14302160, 22883456, 28604320, 45766912, 57208640, 114417280, 228834560]

約数ペア:

[(1, 228834560), (2, 114417280), (4, 57208640), (5, 45766912), (8, 28604320), (10, 22883456), (16, 14302160), (20, 11441728), (31, 7381760), (32, 7151080), (40, 5720864), (62, 3690880), (64, 3575540), (73, 3134720), (79, 2896640), (80, 2860432), (124, 1845440), (128, 1787770), (146, 1567360), (155, 1476352), (158, 1448320), (160, 1430216), (248, 922720), (256, 893885), (292, 783680), (310, 738176), (316, 724160), (320, 715108), (365, 626944), (395, 579328), (496, 461360), (584, 391840), (620, 369088), (632, 362080), (640, 357554), (730, 313472), (790, 289664), (992, 230680), (1168, 195920), (1240, 184544), (1264, 181040), (1280, 178777), (1460, 156736), (1580, 144832), (1984, 115340), (2263, 101120), (2336, 97960), (2449, 93440), (2480, 92272), (2528, 90520), (2920, 78368), (3160, 72416), (3968, 57670), (4526, 50560), (4672, 48980), (4898, 46720), (4960, 46136), (5056, 45260), (5767, 39680), (5840, 39184), (6320, 36208), (7936, 28835), (9052, 25280), (9344, 24490), (9796, 23360), (9920, 23068), (10112, 22630), (11315, 20224), (11534, 19840), (11680, 19592), (12245, 18688), (12640, 18104)]