28477800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1217}}^1$

素因数の和:1252

約数の個数: 144

約数和(自身を含む): 103079340

約数和(自身を除く): 74601540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 50, 52, 60, 65, 72, 75, 78, 90, 100, 104, 117, 120, 130, 150, 156, 180, 195, 200, 225, 234, 260, 300, 312, 325, 360, 390, 450, 468, 520, 585, 600, 650, 780, 900, 936, 975, 1170, 1217, 1300, 1560, 1800, 1950, 2340, 2434, 2600, 2925, 3651, 3900, 4680, 4868, 5850, 6085, 7302, 7800, 9736, 10953, 11700, 12170, 14604, 15821, 18255, 21906, 23400, 24340, 29208, 30425, 31642, 36510, 43812, 47463, 48680, 54765, 60850, 63284, 73020, 79105, 87624, 91275, 94926, 109530, 121700, 126568, 142389, 146040, 158210, 182550, 189852, 219060, 237315, 243400, 273825, 284778, 316420, 365100, 379704, 395525, 438120, 474630, 547650, 569556, 632840, 711945, 730200, 791050, 949260, 1095300, 1139112, 1186575, 1423890, 1582100, 1898520, 2190600, 2373150, 2847780, 3164200, 3559725, 4746300, 5695560, 7119450, 9492600, 14238900, 28477800]

約数ペア:

[(1, 28477800), (2, 14238900), (3, 9492600), (4, 7119450), (5, 5695560), (6, 4746300), (8, 3559725), (9, 3164200), (10, 2847780), (12, 2373150), (13, 2190600), (15, 1898520), (18, 1582100), (20, 1423890), (24, 1186575), (25, 1139112), (26, 1095300), (30, 949260), (36, 791050), (39, 730200), (40, 711945), (45, 632840), (50, 569556), (52, 547650), (60, 474630), (65, 438120), (72, 395525), (75, 379704), (78, 365100), (90, 316420), (100, 284778), (104, 273825), (117, 243400), (120, 237315), (130, 219060), (150, 189852), (156, 182550), (180, 158210), (195, 146040), (200, 142389), (225, 126568), (234, 121700), (260, 109530), (300, 94926), (312, 91275), (325, 87624), (360, 79105), (390, 73020), (450, 63284), (468, 60850), (520, 54765), (585, 48680), (600, 47463), (650, 43812), (780, 36510), (900, 31642), (936, 30425), (975, 29208), (1170, 24340), (1217, 23400), (1300, 21906), (1560, 18255), (1800, 15821), (1950, 14604), (2340, 12170), (2434, 11700), (2600, 10953), (2925, 9736), (3651, 7800), (3900, 7302), (4680, 6085), (4868, 5850)]