64965000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 160

約数和(自身を含む): 209183040

約数和(自身を除く): 144218040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 61, 71, 75, 100, 120, 122, 125, 142, 150, 183, 200, 213, 244, 250, 284, 300, 305, 355, 366, 375, 426, 488, 500, 568, 600, 610, 625, 710, 732, 750, 852, 915, 1000, 1065, 1220, 1250, 1420, 1464, 1500, 1525, 1704, 1775, 1830, 1875, 2130, 2440, 2500, 2840, 3000, 3050, 3550, 3660, 3750, 4260, 4331, 4575, 5000, 5325, 6100, 7100, 7320, 7500, 7625, 8520, 8662, 8875, 9150, 10650, 12200, 12993, 14200, 15000, 15250, 17324, 17750, 18300, 21300, 21655, 22875, 25986, 26625, 30500, 34648, 35500, 36600, 38125, 42600, 43310, 44375, 45750, 51972, 53250, 61000, 64965, 71000, 76250, 86620, 88750, 91500, 103944, 106500, 108275, 114375, 129930, 133125, 152500, 173240, 177500, 183000, 213000, 216550, 228750, 259860, 266250, 305000, 324825, 355000, 433100, 457500, 519720, 532500, 541375, 649650, 866200, 915000, 1065000, 1082750, 1299300, 1624125, 2165500, 2598600, 2706875, 3248250, 4331000, 5413750, 6496500, 8120625, 10827500, 12993000, 16241250, 21655000, 32482500, 64965000]

約数ペア:

[(1, 64965000), (2, 32482500), (3, 21655000), (4, 16241250), (5, 12993000), (6, 10827500), (8, 8120625), (10, 6496500), (12, 5413750), (15, 4331000), (20, 3248250), (24, 2706875), (25, 2598600), (30, 2165500), (40, 1624125), (50, 1299300), (60, 1082750), (61, 1065000), (71, 915000), (75, 866200), (100, 649650), (120, 541375), (122, 532500), (125, 519720), (142, 457500), (150, 433100), (183, 355000), (200, 324825), (213, 305000), (244, 266250), (250, 259860), (284, 228750), (300, 216550), (305, 213000), (355, 183000), (366, 177500), (375, 173240), (426, 152500), (488, 133125), (500, 129930), (568, 114375), (600, 108275), (610, 106500), (625, 103944), (710, 91500), (732, 88750), (750, 86620), (852, 76250), (915, 71000), (1000, 64965), (1065, 61000), (1220, 53250), (1250, 51972), (1420, 45750), (1464, 44375), (1500, 43310), (1525, 42600), (1704, 38125), (1775, 36600), (1830, 35500), (1875, 34648), (2130, 30500), (2440, 26625), (2500, 25986), (2840, 22875), (3000, 21655), (3050, 21300), (3550, 18300), (3660, 17750), (3750, 17324), (4260, 15250), (4331, 15000), (4575, 14200), (5000, 12993), (5325, 12200), (6100, 10650), (7100, 9150), (7320, 8875), (7500, 8662), (7625, 8520)]