203918520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1951}}^1$

素因数の和:2045

約数の個数: 128

約数和(自身を含む): 668989440

約数和(自身を除く): 465070920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 67, 78, 104, 120, 130, 134, 156, 195, 201, 260, 268, 312, 335, 390, 402, 520, 536, 670, 780, 804, 871, 1005, 1340, 1560, 1608, 1742, 1951, 2010, 2613, 2680, 3484, 3902, 4020, 4355, 5226, 5853, 6968, 7804, 8040, 8710, 9755, 10452, 11706, 13065, 15608, 17420, 19510, 20904, 23412, 25363, 26130, 29265, 34840, 39020, 46824, 50726, 52260, 58530, 76089, 78040, 101452, 104520, 117060, 126815, 130717, 152178, 202904, 234120, 253630, 261434, 304356, 380445, 392151, 507260, 522868, 608712, 653585, 760890, 784302, 1014520, 1045736, 1307170, 1521780, 1568604, 1699321, 1960755, 2614340, 3043560, 3137208, 3398642, 3921510, 5097963, 5228680, 6797284, 7843020, 8496605, 10195926, 13594568, 15686040, 16993210, 20391852, 25489815, 33986420, 40783704, 50979630, 67972840, 101959260, 203918520]

約数ペア:

[(1, 203918520), (2, 101959260), (3, 67972840), (4, 50979630), (5, 40783704), (6, 33986420), (8, 25489815), (10, 20391852), (12, 16993210), (13, 15686040), (15, 13594568), (20, 10195926), (24, 8496605), (26, 7843020), (30, 6797284), (39, 5228680), (40, 5097963), (52, 3921510), (60, 3398642), (65, 3137208), (67, 3043560), (78, 2614340), (104, 1960755), (120, 1699321), (130, 1568604), (134, 1521780), (156, 1307170), (195, 1045736), (201, 1014520), (260, 784302), (268, 760890), (312, 653585), (335, 608712), (390, 522868), (402, 507260), (520, 392151), (536, 380445), (670, 304356), (780, 261434), (804, 253630), (871, 234120), (1005, 202904), (1340, 152178), (1560, 130717), (1608, 126815), (1742, 117060), (1951, 104520), (2010, 101452), (2613, 78040), (2680, 76089), (3484, 58530), (3902, 52260), (4020, 50726), (4355, 46824), (5226, 39020), (5853, 34840), (6968, 29265), (7804, 26130), (8040, 25363), (8710, 23412), (9755, 20904), (10452, 19510), (11706, 17420), (13065, 15608)]