90145320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 282355200

約数和(自身を除く): 192209880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 79, 111, 120, 148, 158, 185, 222, 237, 257, 296, 316, 370, 395, 444, 474, 514, 555, 632, 740, 771, 790, 888, 948, 1028, 1110, 1185, 1285, 1480, 1542, 1580, 1896, 2056, 2220, 2370, 2570, 2923, 3084, 3160, 3855, 4440, 4740, 5140, 5846, 6168, 7710, 8769, 9480, 9509, 10280, 11692, 14615, 15420, 17538, 19018, 20303, 23384, 28527, 29230, 30840, 35076, 38036, 40606, 43845, 47545, 57054, 58460, 60909, 70152, 76072, 81212, 87690, 95090, 101515, 114108, 116920, 121818, 142635, 162424, 175380, 190180, 203030, 228216, 243636, 285270, 304545, 350760, 380360, 406060, 487272, 570540, 609090, 751211, 812120, 1141080, 1218180, 1502422, 2253633, 2436360, 3004844, 3756055, 4507266, 6009688, 7512110, 9014532, 11268165, 15024220, 18029064, 22536330, 30048440, 45072660, 90145320]

約数ペア:

[(1, 90145320), (2, 45072660), (3, 30048440), (4, 22536330), (5, 18029064), (6, 15024220), (8, 11268165), (10, 9014532), (12, 7512110), (15, 6009688), (20, 4507266), (24, 3756055), (30, 3004844), (37, 2436360), (40, 2253633), (60, 1502422), (74, 1218180), (79, 1141080), (111, 812120), (120, 751211), (148, 609090), (158, 570540), (185, 487272), (222, 406060), (237, 380360), (257, 350760), (296, 304545), (316, 285270), (370, 243636), (395, 228216), (444, 203030), (474, 190180), (514, 175380), (555, 162424), (632, 142635), (740, 121818), (771, 116920), (790, 114108), (888, 101515), (948, 95090), (1028, 87690), (1110, 81212), (1185, 76072), (1285, 70152), (1480, 60909), (1542, 58460), (1580, 57054), (1896, 47545), (2056, 43845), (2220, 40606), (2370, 38036), (2570, 35076), (2923, 30840), (3084, 29230), (3160, 28527), (3855, 23384), (4440, 20303), (4740, 19018), (5140, 17538), (5846, 15420), (6168, 14615), (7710, 11692), (8769, 10280), (9480, 9509)]