820018800

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{13399}}^1$

素因数の和:13440

約数の個数: 180

約数和(自身を含む): 3013311600

約数和(自身を除く): 2193292800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 30, 34, 36, 40, 45, 48, 50, 51, 60, 68, 72, 75, 80, 85, 90, 100, 102, 120, 136, 144, 150, 153, 170, 180, 200, 204, 225, 240, 255, 272, 300, 306, 340, 360, 400, 408, 425, 450, 510, 600, 612, 680, 720, 765, 816, 850, 900, 1020, 1200, 1224, 1275, 1360, 1530, 1700, 1800, 2040, 2448, 2550, 3060, 3400, 3600, 3825, 4080, 5100, 6120, 6800, 7650, 10200, 12240, 13399, 15300, 20400, 26798, 30600, 40197, 53596, 61200, 66995, 80394, 107192, 120591, 133990, 160788, 200985, 214384, 227783, 241182, 267980, 321576, 334975, 401970, 455566, 482364, 535960, 602955, 643152, 669950, 683349, 803940, 911132, 964728, 1004925, 1071920, 1138915, 1205910, 1339900, 1366698, 1607880, 1822264, 1929456, 2009850, 2050047, 2277830, 2411820, 2679800, 2733396, 3014775, 3215760, 3416745, 3644528, 4019700, 4100094, 4555660, 4823640, 5359600, 5466792, 5694575, 6029550, 6833490, 8039400, 8200188, 9111320, 9647280, 10250235, 10933584, 11389150, 12059100, 13666980, 16078800, 16400376, 17083725, 18222640, 20500470, 22778300, 24118200, 27333960, 32800752, 34167450, 41000940, 45556600, 48236400, 51251175, 54667920, 68334900, 82001880, 91113200, 102502350, 136669800, 164003760, 205004700, 273339600, 410009400, 820018800]

約数ペア:

[(1, 820018800), (2, 410009400), (3, 273339600), (4, 205004700), (5, 164003760), (6, 136669800), (8, 102502350), (9, 91113200), (10, 82001880), (12, 68334900), (15, 54667920), (16, 51251175), (17, 48236400), (18, 45556600), (20, 41000940), (24, 34167450), (25, 32800752), (30, 27333960), (34, 24118200), (36, 22778300), (40, 20500470), (45, 18222640), (48, 17083725), (50, 16400376), (51, 16078800), (60, 13666980), (68, 12059100), (72, 11389150), (75, 10933584), (80, 10250235), (85, 9647280), (90, 9111320), (100, 8200188), (102, 8039400), (120, 6833490), (136, 6029550), (144, 5694575), (150, 5466792), (153, 5359600), (170, 4823640), (180, 4555660), (200, 4100094), (204, 4019700), (225, 3644528), (240, 3416745), (255, 3215760), (272, 3014775), (300, 2733396), (306, 2679800), (340, 2411820), (360, 2277830), (400, 2050047), (408, 2009850), (425, 1929456), (450, 1822264), (510, 1607880), (600, 1366698), (612, 1339900), (680, 1205910), (720, 1138915), (765, 1071920), (816, 1004925), (850, 964728), (900, 911132), (1020, 803940), (1200, 683349), (1224, 669950), (1275, 643152), (1360, 602955), (1530, 535960), (1700, 482364), (1800, 455566), (2040, 401970), (2448, 334975), (2550, 321576), (3060, 267980), (3400, 241182), (3600, 227783), (3825, 214384), (4080, 200985), (5100, 160788), (6120, 133990), (6800, 120591), (7650, 107192), (10200, 80394), (12240, 66995), (13399, 61200), (15300, 53596), (20400, 40197), (26798, 30600)]