30750000

素因数分解:

$2^4\times 3^1\times 5^6\times {\mathrm{41}}^1$

素因数の和:82

約数の個数: 140

約数和(自身を含む): 101717448

約数和(自身を除く): 70967448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 41, 48, 50, 60, 75, 80, 82, 100, 120, 123, 125, 150, 164, 200, 205, 240, 246, 250, 300, 328, 375, 400, 410, 492, 500, 600, 615, 625, 656, 750, 820, 984, 1000, 1025, 1200, 1230, 1250, 1500, 1640, 1875, 1968, 2000, 2050, 2460, 2500, 3000, 3075, 3125, 3280, 3750, 4100, 4920, 5000, 5125, 6000, 6150, 6250, 7500, 8200, 9375, 9840, 10000, 10250, 12300, 12500, 15000, 15375, 15625, 16400, 18750, 20500, 24600, 25000, 25625, 30000, 30750, 31250, 37500, 41000, 46875, 49200, 50000, 51250, 61500, 62500, 75000, 76875, 82000, 93750, 102500, 123000, 125000, 128125, 150000, 153750, 187500, 205000, 246000, 250000, 256250, 307500, 375000, 384375, 410000, 512500, 615000, 640625, 750000, 768750, 1025000, 1230000, 1281250, 1537500, 1921875, 2050000, 2562500, 3075000, 3843750, 5125000, 6150000, 7687500, 10250000, 15375000, 30750000]

約数ペア:

[(1, 30750000), (2, 15375000), (3, 10250000), (4, 7687500), (5, 6150000), (6, 5125000), (8, 3843750), (10, 3075000), (12, 2562500), (15, 2050000), (16, 1921875), (20, 1537500), (24, 1281250), (25, 1230000), (30, 1025000), (40, 768750), (41, 750000), (48, 640625), (50, 615000), (60, 512500), (75, 410000), (80, 384375), (82, 375000), (100, 307500), (120, 256250), (123, 250000), (125, 246000), (150, 205000), (164, 187500), (200, 153750), (205, 150000), (240, 128125), (246, 125000), (250, 123000), (300, 102500), (328, 93750), (375, 82000), (400, 76875), (410, 75000), (492, 62500), (500, 61500), (600, 51250), (615, 50000), (625, 49200), (656, 46875), (750, 41000), (820, 37500), (984, 31250), (1000, 30750), (1025, 30000), (1200, 25625), (1230, 25000), (1250, 24600), (1500, 20500), (1640, 18750), (1875, 16400), (1968, 15625), (2000, 15375), (2050, 15000), (2460, 12500), (2500, 12300), (3000, 10250), (3075, 10000), (3125, 9840), (3280, 9375), (3750, 8200), (4100, 7500), (4920, 6250), (5000, 6150), (5125, 6000)]