91980880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1439}}^1$

素因数の和:1516

約数の個数: 80

約数和(自身を含む): 231413760

約数和(自身を除く): 139432880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 470, 680, 752, 799, 940, 1360, 1439, 1598, 1880, 2878, 3196, 3760, 3995, 5756, 6392, 7195, 7990, 11512, 12784, 14390, 15980, 23024, 24463, 28780, 31960, 48926, 57560, 63920, 67633, 97852, 115120, 122315, 135266, 195704, 244630, 270532, 338165, 391408, 489260, 541064, 676330, 978520, 1082128, 1149761, 1352660, 1957040, 2299522, 2705320, 4599044, 5410640, 5748805, 9198088, 11497610, 18396176, 22995220, 45990440, 91980880]

約数ペア:

[(1, 91980880), (2, 45990440), (4, 22995220), (5, 18396176), (8, 11497610), (10, 9198088), (16, 5748805), (17, 5410640), (20, 4599044), (34, 2705320), (40, 2299522), (47, 1957040), (68, 1352660), (80, 1149761), (85, 1082128), (94, 978520), (136, 676330), (170, 541064), (188, 489260), (235, 391408), (272, 338165), (340, 270532), (376, 244630), (470, 195704), (680, 135266), (752, 122315), (799, 115120), (940, 97852), (1360, 67633), (1439, 63920), (1598, 57560), (1880, 48926), (2878, 31960), (3196, 28780), (3760, 24463), (3995, 23024), (5756, 15980), (6392, 14390), (7195, 12784), (7990, 11512)]