89976880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:195

約数の個数: 160

約数和(自身を含む): 253698048

約数和(自身を除く): 163721168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 71, 73, 80, 112, 124, 140, 142, 146, 155, 217, 248, 280, 284, 292, 310, 355, 365, 434, 496, 497, 511, 560, 568, 584, 620, 710, 730, 868, 994, 1022, 1085, 1136, 1168, 1240, 1420, 1460, 1736, 1988, 2044, 2170, 2201, 2263, 2480, 2485, 2555, 2840, 2920, 3472, 3976, 4088, 4340, 4402, 4526, 4970, 5110, 5183, 5680, 5840, 7952, 8176, 8680, 8804, 9052, 9940, 10220, 10366, 11005, 11315, 15407, 15841, 17360, 17608, 18104, 19880, 20440, 20732, 22010, 22630, 25915, 30814, 31682, 35216, 36208, 36281, 39760, 40880, 41464, 44020, 45260, 51830, 61628, 63364, 72562, 77035, 79205, 82928, 88040, 90520, 103660, 123256, 126728, 145124, 154070, 158410, 160673, 176080, 181040, 181405, 207320, 246512, 253456, 290248, 308140, 316820, 321346, 362810, 414640, 580496, 616280, 633640, 642692, 725620, 803365, 1124711, 1232560, 1267280, 1285384, 1451240, 1606730, 2249422, 2570768, 2902480, 3213460, 4498844, 5623555, 6426920, 8997688, 11247110, 12853840, 17995376, 22494220, 44988440, 89976880]

約数ペア:

[(1, 89976880), (2, 44988440), (4, 22494220), (5, 17995376), (7, 12853840), (8, 11247110), (10, 8997688), (14, 6426920), (16, 5623555), (20, 4498844), (28, 3213460), (31, 2902480), (35, 2570768), (40, 2249422), (56, 1606730), (62, 1451240), (70, 1285384), (71, 1267280), (73, 1232560), (80, 1124711), (112, 803365), (124, 725620), (140, 642692), (142, 633640), (146, 616280), (155, 580496), (217, 414640), (248, 362810), (280, 321346), (284, 316820), (292, 308140), (310, 290248), (355, 253456), (365, 246512), (434, 207320), (496, 181405), (497, 181040), (511, 176080), (560, 160673), (568, 158410), (584, 154070), (620, 145124), (710, 126728), (730, 123256), (868, 103660), (994, 90520), (1022, 88040), (1085, 82928), (1136, 79205), (1168, 77035), (1240, 72562), (1420, 63364), (1460, 61628), (1736, 51830), (1988, 45260), (2044, 44020), (2170, 41464), (2201, 40880), (2263, 39760), (2480, 36281), (2485, 36208), (2555, 35216), (2840, 31682), (2920, 30814), (3472, 25915), (3976, 22630), (4088, 22010), (4340, 20732), (4402, 20440), (4526, 19880), (4970, 18104), (5110, 17608), (5183, 17360), (5680, 15841), (5840, 15407), (7952, 11315), (8176, 11005), (8680, 10366), (8804, 10220), (9052, 9940)]