55815000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{61}}^2$

素因数の和:151

約数の個数: 120

約数和(自身を含む): 177271380

約数和(自身を除く): 121456380

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 61, 75, 100, 120, 122, 125, 150, 183, 200, 244, 250, 300, 305, 366, 375, 488, 500, 600, 610, 625, 732, 750, 915, 1000, 1220, 1250, 1464, 1500, 1525, 1830, 1875, 2440, 2500, 3000, 3050, 3660, 3721, 3750, 4575, 5000, 6100, 7320, 7442, 7500, 7625, 9150, 11163, 12200, 14884, 15000, 15250, 18300, 18605, 22326, 22875, 29768, 30500, 36600, 37210, 38125, 44652, 45750, 55815, 61000, 74420, 76250, 89304, 91500, 93025, 111630, 114375, 148840, 152500, 183000, 186050, 223260, 228750, 279075, 305000, 372100, 446520, 457500, 465125, 558150, 744200, 915000, 930250, 1116300, 1395375, 1860500, 2232600, 2325625, 2790750, 3721000, 4651250, 5581500, 6976875, 9302500, 11163000, 13953750, 18605000, 27907500, 55815000]

約数ペア:

[(1, 55815000), (2, 27907500), (3, 18605000), (4, 13953750), (5, 11163000), (6, 9302500), (8, 6976875), (10, 5581500), (12, 4651250), (15, 3721000), (20, 2790750), (24, 2325625), (25, 2232600), (30, 1860500), (40, 1395375), (50, 1116300), (60, 930250), (61, 915000), (75, 744200), (100, 558150), (120, 465125), (122, 457500), (125, 446520), (150, 372100), (183, 305000), (200, 279075), (244, 228750), (250, 223260), (300, 186050), (305, 183000), (366, 152500), (375, 148840), (488, 114375), (500, 111630), (600, 93025), (610, 91500), (625, 89304), (732, 76250), (750, 74420), (915, 61000), (1000, 55815), (1220, 45750), (1250, 44652), (1464, 38125), (1500, 37210), (1525, 36600), (1830, 30500), (1875, 29768), (2440, 22875), (2500, 22326), (3000, 18605), (3050, 18300), (3660, 15250), (3721, 15000), (3750, 14884), (4575, 12200), (5000, 11163), (6100, 9150), (7320, 7625), (7442, 7500)]