18718800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:861

約数の個数: 120

約数和(自身を含む): 63195360

約数和(自身を除く): 44476560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 38, 40, 48, 50, 57, 60, 75, 76, 80, 95, 100, 114, 120, 150, 152, 190, 200, 228, 240, 285, 300, 304, 380, 400, 456, 475, 570, 600, 760, 821, 912, 950, 1140, 1200, 1425, 1520, 1642, 1900, 2280, 2463, 2850, 3284, 3800, 4105, 4560, 4926, 5700, 6568, 7600, 8210, 9852, 11400, 12315, 13136, 15599, 16420, 19704, 20525, 22800, 24630, 31198, 32840, 39408, 41050, 46797, 49260, 61575, 62396, 65680, 77995, 82100, 93594, 98520, 123150, 124792, 155990, 164200, 187188, 197040, 233985, 246300, 249584, 311980, 328400, 374376, 389975, 467970, 492600, 623960, 748752, 779950, 935940, 985200, 1169925, 1247920, 1559900, 1871880, 2339850, 3119800, 3743760, 4679700, 6239600, 9359400, 18718800]

約数ペア:

[(1, 18718800), (2, 9359400), (3, 6239600), (4, 4679700), (5, 3743760), (6, 3119800), (8, 2339850), (10, 1871880), (12, 1559900), (15, 1247920), (16, 1169925), (19, 985200), (20, 935940), (24, 779950), (25, 748752), (30, 623960), (38, 492600), (40, 467970), (48, 389975), (50, 374376), (57, 328400), (60, 311980), (75, 249584), (76, 246300), (80, 233985), (95, 197040), (100, 187188), (114, 164200), (120, 155990), (150, 124792), (152, 123150), (190, 98520), (200, 93594), (228, 82100), (240, 77995), (285, 65680), (300, 62396), (304, 61575), (380, 49260), (400, 46797), (456, 41050), (475, 39408), (570, 32840), (600, 31198), (760, 24630), (821, 22800), (912, 20525), (950, 19704), (1140, 16420), (1200, 15599), (1425, 13136), (1520, 12315), (1642, 11400), (1900, 9852), (2280, 8210), (2463, 7600), (2850, 6568), (3284, 5700), (3800, 4926), (4105, 4560)]