90072640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:612

約数の個数: 112

約数和(自身を含む): 248716800

約数和(自身を除く): 158644160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 140, 158, 160, 224, 280, 316, 320, 395, 448, 509, 553, 560, 632, 790, 1018, 1106, 1120, 1264, 1580, 2036, 2212, 2240, 2528, 2545, 2765, 3160, 3563, 4072, 4424, 5056, 5090, 5530, 6320, 7126, 8144, 8848, 10180, 11060, 12640, 14252, 16288, 17696, 17815, 20360, 22120, 25280, 28504, 32576, 35392, 35630, 40211, 40720, 44240, 57008, 71260, 80422, 81440, 88480, 114016, 142520, 160844, 162880, 176960, 201055, 228032, 281477, 285040, 321688, 402110, 562954, 570080, 643376, 804220, 1125908, 1140160, 1286752, 1407385, 1608440, 2251816, 2573504, 2814770, 3216880, 4503632, 5629540, 6433760, 9007264, 11259080, 12867520, 18014528, 22518160, 45036320, 90072640]

約数ペア:

[(1, 90072640), (2, 45036320), (4, 22518160), (5, 18014528), (7, 12867520), (8, 11259080), (10, 9007264), (14, 6433760), (16, 5629540), (20, 4503632), (28, 3216880), (32, 2814770), (35, 2573504), (40, 2251816), (56, 1608440), (64, 1407385), (70, 1286752), (79, 1140160), (80, 1125908), (112, 804220), (140, 643376), (158, 570080), (160, 562954), (224, 402110), (280, 321688), (316, 285040), (320, 281477), (395, 228032), (448, 201055), (509, 176960), (553, 162880), (560, 160844), (632, 142520), (790, 114016), (1018, 88480), (1106, 81440), (1120, 80422), (1264, 71260), (1580, 57008), (2036, 44240), (2212, 40720), (2240, 40211), (2528, 35630), (2545, 35392), (2765, 32576), (3160, 28504), (3563, 25280), (4072, 22120), (4424, 20360), (5056, 17815), (5090, 17696), (5530, 16288), (6320, 14252), (7126, 12640), (8144, 11060), (8848, 10180)]