2018550000

素因数分解:

$2^4\times 3^1\times 5^5\times {\mathrm{13457}}^1$

素因数の和:13493

約数の個数: 120

約数和(自身を含む): 6518301552

約数和(自身を除く): 4499751552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 125, 150, 200, 240, 250, 300, 375, 400, 500, 600, 625, 750, 1000, 1200, 1250, 1500, 1875, 2000, 2500, 3000, 3125, 3750, 5000, 6000, 6250, 7500, 9375, 10000, 12500, 13457, 15000, 18750, 25000, 26914, 30000, 37500, 40371, 50000, 53828, 67285, 75000, 80742, 107656, 134570, 150000, 161484, 201855, 215312, 269140, 322968, 336425, 403710, 538280, 645936, 672850, 807420, 1009275, 1076560, 1345700, 1614840, 1682125, 2018550, 2691400, 3229680, 3364250, 4037100, 5046375, 5382800, 6728500, 8074200, 8410625, 10092750, 13457000, 16148400, 16821250, 20185500, 25231875, 26914000, 33642500, 40371000, 42053125, 50463750, 67285000, 80742000, 84106250, 100927500, 126159375, 134570000, 168212500, 201855000, 252318750, 336425000, 403710000, 504637500, 672850000, 1009275000, 2018550000]

約数ペア:

[(1, 2018550000), (2, 1009275000), (3, 672850000), (4, 504637500), (5, 403710000), (6, 336425000), (8, 252318750), (10, 201855000), (12, 168212500), (15, 134570000), (16, 126159375), (20, 100927500), (24, 84106250), (25, 80742000), (30, 67285000), (40, 50463750), (48, 42053125), (50, 40371000), (60, 33642500), (75, 26914000), (80, 25231875), (100, 20185500), (120, 16821250), (125, 16148400), (150, 13457000), (200, 10092750), (240, 8410625), (250, 8074200), (300, 6728500), (375, 5382800), (400, 5046375), (500, 4037100), (600, 3364250), (625, 3229680), (750, 2691400), (1000, 2018550), (1200, 1682125), (1250, 1614840), (1500, 1345700), (1875, 1076560), (2000, 1009275), (2500, 807420), (3000, 672850), (3125, 645936), (3750, 538280), (5000, 403710), (6000, 336425), (6250, 322968), (7500, 269140), (9375, 215312), (10000, 201855), (12500, 161484), (13457, 150000), (15000, 134570), (18750, 107656), (25000, 80742), (26914, 75000), (30000, 67285), (37500, 53828), (40371, 50000)]