15921000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 192

約数和(自身を含む): 56581200

約数和(自身を除く): 40660200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 29, 30, 36, 40, 45, 50, 58, 60, 61, 72, 75, 87, 90, 100, 116, 120, 122, 125, 145, 150, 174, 180, 183, 200, 225, 232, 244, 250, 261, 290, 300, 305, 348, 360, 366, 375, 435, 450, 488, 500, 522, 549, 580, 600, 610, 696, 725, 732, 750, 870, 900, 915, 1000, 1044, 1098, 1125, 1160, 1220, 1305, 1450, 1464, 1500, 1525, 1740, 1769, 1800, 1830, 2088, 2175, 2196, 2250, 2440, 2610, 2745, 2900, 3000, 3050, 3480, 3538, 3625, 3660, 4350, 4392, 4500, 4575, 5220, 5307, 5490, 5800, 6100, 6525, 7076, 7250, 7320, 7625, 8700, 8845, 9000, 9150, 10440, 10614, 10875, 10980, 12200, 13050, 13725, 14152, 14500, 15250, 15921, 17400, 17690, 18300, 21228, 21750, 21960, 22875, 26100, 26535, 27450, 29000, 30500, 31842, 32625, 35380, 36600, 42456, 43500, 44225, 45750, 52200, 53070, 54900, 61000, 63684, 65250, 68625, 70760, 79605, 87000, 88450, 91500, 106140, 109800, 127368, 130500, 132675, 137250, 159210, 176900, 183000, 212280, 221125, 261000, 265350, 274500, 318420, 353800, 398025, 442250, 530700, 549000, 636840, 663375, 796050, 884500, 1061400, 1326750, 1592100, 1769000, 1990125, 2653500, 3184200, 3980250, 5307000, 7960500, 15921000]

約数ペア:

[(1, 15921000), (2, 7960500), (3, 5307000), (4, 3980250), (5, 3184200), (6, 2653500), (8, 1990125), (9, 1769000), (10, 1592100), (12, 1326750), (15, 1061400), (18, 884500), (20, 796050), (24, 663375), (25, 636840), (29, 549000), (30, 530700), (36, 442250), (40, 398025), (45, 353800), (50, 318420), (58, 274500), (60, 265350), (61, 261000), (72, 221125), (75, 212280), (87, 183000), (90, 176900), (100, 159210), (116, 137250), (120, 132675), (122, 130500), (125, 127368), (145, 109800), (150, 106140), (174, 91500), (180, 88450), (183, 87000), (200, 79605), (225, 70760), (232, 68625), (244, 65250), (250, 63684), (261, 61000), (290, 54900), (300, 53070), (305, 52200), (348, 45750), (360, 44225), (366, 43500), (375, 42456), (435, 36600), (450, 35380), (488, 32625), (500, 31842), (522, 30500), (549, 29000), (580, 27450), (600, 26535), (610, 26100), (696, 22875), (725, 21960), (732, 21750), (750, 21228), (870, 18300), (900, 17690), (915, 17400), (1000, 15921), (1044, 15250), (1098, 14500), (1125, 14152), (1160, 13725), (1220, 13050), (1305, 12200), (1450, 10980), (1464, 10875), (1500, 10614), (1525, 10440), (1740, 9150), (1769, 9000), (1800, 8845), (1830, 8700), (2088, 7625), (2175, 7320), (2196, 7250), (2250, 7076), (2440, 6525), (2610, 6100), (2745, 5800), (2900, 5490), (3000, 5307), (3050, 5220), (3480, 4575), (3538, 4500), (3625, 4392), (3660, 4350)]