90789960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 282124800

約数和(自身を除く): 191334840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 79, 120, 122, 157, 158, 183, 237, 244, 305, 314, 316, 366, 395, 471, 474, 488, 610, 628, 632, 732, 785, 790, 915, 942, 948, 1185, 1220, 1256, 1464, 1570, 1580, 1830, 1884, 1896, 2355, 2370, 2440, 3140, 3160, 3660, 3768, 4710, 4740, 4819, 6280, 7320, 9420, 9480, 9577, 9638, 12403, 14457, 18840, 19154, 19276, 24095, 24806, 28731, 28914, 37209, 38308, 38552, 47885, 48190, 49612, 57462, 57828, 62015, 72285, 74418, 76616, 95770, 96380, 99224, 114924, 115656, 124030, 143655, 144570, 148836, 186045, 191540, 192760, 229848, 248060, 287310, 289140, 297672, 372090, 383080, 496120, 574620, 578280, 744180, 756583, 1149240, 1488360, 1513166, 2269749, 3026332, 3782915, 4539498, 6052664, 7565830, 9078996, 11348745, 15131660, 18157992, 22697490, 30263320, 45394980, 90789960]

約数ペア:

[(1, 90789960), (2, 45394980), (3, 30263320), (4, 22697490), (5, 18157992), (6, 15131660), (8, 11348745), (10, 9078996), (12, 7565830), (15, 6052664), (20, 4539498), (24, 3782915), (30, 3026332), (40, 2269749), (60, 1513166), (61, 1488360), (79, 1149240), (120, 756583), (122, 744180), (157, 578280), (158, 574620), (183, 496120), (237, 383080), (244, 372090), (305, 297672), (314, 289140), (316, 287310), (366, 248060), (395, 229848), (471, 192760), (474, 191540), (488, 186045), (610, 148836), (628, 144570), (632, 143655), (732, 124030), (785, 115656), (790, 114924), (915, 99224), (942, 96380), (948, 95770), (1185, 76616), (1220, 74418), (1256, 72285), (1464, 62015), (1570, 57828), (1580, 57462), (1830, 49612), (1884, 48190), (1896, 47885), (2355, 38552), (2370, 38308), (2440, 37209), (3140, 28914), (3160, 28731), (3660, 24806), (3768, 24095), (4710, 19276), (4740, 19154), (4819, 18840), (6280, 14457), (7320, 12403), (9420, 9638), (9480, 9577)]