90750640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:147

約数の個数: 160

約数和(自身を含む): 238841856

約数和(自身を除く): 148091216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 37, 40, 43, 46, 62, 74, 80, 86, 92, 115, 124, 148, 155, 172, 184, 185, 215, 230, 248, 296, 310, 344, 368, 370, 430, 460, 496, 592, 620, 688, 713, 740, 851, 860, 920, 989, 1147, 1240, 1333, 1426, 1480, 1591, 1702, 1720, 1840, 1978, 2294, 2480, 2666, 2852, 2960, 3182, 3404, 3440, 3565, 3956, 4255, 4588, 4945, 5332, 5704, 5735, 6364, 6665, 6808, 7130, 7912, 7955, 8510, 9176, 9890, 10664, 11408, 11470, 12728, 13330, 13616, 14260, 15824, 15910, 17020, 18352, 19780, 21328, 22940, 25456, 26381, 26660, 28520, 30659, 31820, 34040, 36593, 39560, 45880, 49321, 52762, 53320, 57040, 61318, 63640, 68080, 73186, 79120, 91760, 98642, 105524, 106640, 122636, 127280, 131905, 146372, 153295, 182965, 197284, 211048, 245272, 246605, 263810, 292744, 306590, 365930, 394568, 422096, 490544, 493210, 527620, 585488, 613180, 731860, 789136, 986420, 1055240, 1134383, 1226360, 1463720, 1972840, 2110480, 2268766, 2452720, 2927440, 3945680, 4537532, 5671915, 9075064, 11343830, 18150128, 22687660, 45375320, 90750640]

約数ペア:

[(1, 90750640), (2, 45375320), (4, 22687660), (5, 18150128), (8, 11343830), (10, 9075064), (16, 5671915), (20, 4537532), (23, 3945680), (31, 2927440), (37, 2452720), (40, 2268766), (43, 2110480), (46, 1972840), (62, 1463720), (74, 1226360), (80, 1134383), (86, 1055240), (92, 986420), (115, 789136), (124, 731860), (148, 613180), (155, 585488), (172, 527620), (184, 493210), (185, 490544), (215, 422096), (230, 394568), (248, 365930), (296, 306590), (310, 292744), (344, 263810), (368, 246605), (370, 245272), (430, 211048), (460, 197284), (496, 182965), (592, 153295), (620, 146372), (688, 131905), (713, 127280), (740, 122636), (851, 106640), (860, 105524), (920, 98642), (989, 91760), (1147, 79120), (1240, 73186), (1333, 68080), (1426, 63640), (1480, 61318), (1591, 57040), (1702, 53320), (1720, 52762), (1840, 49321), (1978, 45880), (2294, 39560), (2480, 36593), (2666, 34040), (2852, 31820), (2960, 30659), (3182, 28520), (3404, 26660), (3440, 26381), (3565, 25456), (3956, 22940), (4255, 21328), (4588, 19780), (4945, 18352), (5332, 17020), (5704, 15910), (5735, 15824), (6364, 14260), (6665, 13616), (6808, 13330), (7130, 12728), (7912, 11470), (7955, 11408), (8510, 10664), (9176, 9890)]