287747040

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{85639}}^1$

素因数の和:85664

約数の個数: 96

約数和(自身を含む): 1035901440

約数和(自身を除く): 748154400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 85639, 171278, 256917, 342556, 428195, 513834, 599473, 685112, 856390, 1027668, 1198946, 1284585, 1370224, 1712780, 1798419, 2055336, 2397892, 2569170, 2740448, 2997365, 3425560, 3596838, 4110672, 4795784, 5138340, 5994730, 6851120, 7193676, 8221344, 8992095, 9591568, 10276680, 11989460, 13702240, 14387352, 17984190, 19183136, 20553360, 23978920, 28774704, 35968380, 41106720, 47957840, 57549408, 71936760, 95915680, 143873520, 287747040]

約数ペア:

[(1, 287747040), (2, 143873520), (3, 95915680), (4, 71936760), (5, 57549408), (6, 47957840), (7, 41106720), (8, 35968380), (10, 28774704), (12, 23978920), (14, 20553360), (15, 19183136), (16, 17984190), (20, 14387352), (21, 13702240), (24, 11989460), (28, 10276680), (30, 9591568), (32, 8992095), (35, 8221344), (40, 7193676), (42, 6851120), (48, 5994730), (56, 5138340), (60, 4795784), (70, 4110672), (80, 3596838), (84, 3425560), (96, 2997365), (105, 2740448), (112, 2569170), (120, 2397892), (140, 2055336), (160, 1798419), (168, 1712780), (210, 1370224), (224, 1284585), (240, 1198946), (280, 1027668), (336, 856390), (420, 685112), (480, 599473), (560, 513834), (672, 428195), (840, 342556), (1120, 256917), (1680, 171278), (3360, 85639)]