1489249920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:375

約数の個数: 256

約数和(自身を含む): 4963368960

約数和(自身を除く): 3474119040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 131, 155, 160, 186, 191, 192, 240, 248, 262, 310, 320, 372, 382, 384, 393, 465, 480, 496, 524, 573, 620, 640, 655, 744, 764, 786, 930, 955, 960, 992, 1048, 1146, 1240, 1310, 1488, 1528, 1572, 1860, 1910, 1920, 1965, 1984, 2096, 2292, 2480, 2620, 2865, 2976, 3056, 3144, 3720, 3820, 3930, 3968, 4061, 4192, 4584, 4960, 5240, 5730, 5921, 5952, 6112, 6288, 7440, 7640, 7860, 8122, 8384, 9168, 9920, 10480, 11460, 11842, 11904, 12183, 12224, 12576, 14880, 15280, 15720, 16244, 16768, 17763, 18336, 19840, 20305, 20960, 22920, 23684, 24366, 24448, 25021, 25152, 29605, 29760, 30560, 31440, 32488, 35526, 36672, 40610, 41920, 45840, 47368, 48732, 50042, 50304, 59210, 59520, 60915, 61120, 62880, 64976, 71052, 73344, 75063, 81220, 83840, 88815, 91680, 94736, 97464, 100084, 118420, 121830, 122240, 125105, 125760, 129952, 142104, 150126, 162440, 177630, 183360, 189472, 194928, 200168, 236840, 243660, 250210, 251520, 259904, 284208, 300252, 324880, 355260, 366720, 375315, 378944, 389856, 400336, 473680, 487320, 500420, 519808, 568416, 600504, 649760, 710520, 750630, 757888, 775651, 779712, 800672, 947360, 974640, 1000840, 1136832, 1201008, 1299520, 1421040, 1501260, 1551302, 1559424, 1601344, 1894720, 1949280, 2001680, 2273664, 2326953, 2402016, 2599040, 2842080, 3002520, 3102604, 3202688, 3789440, 3878255, 3898560, 4003360, 4653906, 4804032, 5684160, 6005040, 6205208, 7756510, 7797120, 8006720, 9307812, 9608064, 11368320, 11634765, 12010080, 12410416, 15513020, 16013440, 18615624, 23269530, 24020160, 24820832, 31026040, 37231248, 46539060, 48040320, 49641664, 62052080, 74462496, 93078120, 99283328, 124104160, 148924992, 186156240, 248208320, 297849984, 372312480, 496416640, 744624960, 1489249920]

約数ペア:

[(1, 1489249920), (2, 744624960), (3, 496416640), (4, 372312480), (5, 297849984), (6, 248208320), (8, 186156240), (10, 148924992), (12, 124104160), (15, 99283328), (16, 93078120), (20, 74462496), (24, 62052080), (30, 49641664), (31, 48040320), (32, 46539060), (40, 37231248), (48, 31026040), (60, 24820832), (62, 24020160), (64, 23269530), (80, 18615624), (93, 16013440), (96, 15513020), (120, 12410416), (124, 12010080), (128, 11634765), (131, 11368320), (155, 9608064), (160, 9307812), (186, 8006720), (191, 7797120), (192, 7756510), (240, 6205208), (248, 6005040), (262, 5684160), (310, 4804032), (320, 4653906), (372, 4003360), (382, 3898560), (384, 3878255), (393, 3789440), (465, 3202688), (480, 3102604), (496, 3002520), (524, 2842080), (573, 2599040), (620, 2402016), (640, 2326953), (655, 2273664), (744, 2001680), (764, 1949280), (786, 1894720), (930, 1601344), (955, 1559424), (960, 1551302), (992, 1501260), (1048, 1421040), (1146, 1299520), (1240, 1201008), (1310, 1136832), (1488, 1000840), (1528, 974640), (1572, 947360), (1860, 800672), (1910, 779712), (1920, 775651), (1965, 757888), (1984, 750630), (2096, 710520), (2292, 649760), (2480, 600504), (2620, 568416), (2865, 519808), (2976, 500420), (3056, 487320), (3144, 473680), (3720, 400336), (3820, 389856), (3930, 378944), (3968, 375315), (4061, 366720), (4192, 355260), (4584, 324880), (4960, 300252), (5240, 284208), (5730, 259904), (5921, 251520), (5952, 250210), (6112, 243660), (6288, 236840), (7440, 200168), (7640, 194928), (7860, 189472), (8122, 183360), (8384, 177630), (9168, 162440), (9920, 150126), (10480, 142104), (11460, 129952), (11842, 125760), (11904, 125105), (12183, 122240), (12224, 121830), (12576, 118420), (14880, 100084), (15280, 97464), (15720, 94736), (16244, 91680), (16768, 88815), (17763, 83840), (18336, 81220), (19840, 75063), (20305, 73344), (20960, 71052), (22920, 64976), (23684, 62880), (24366, 61120), (24448, 60915), (25021, 59520), (25152, 59210), (29605, 50304), (29760, 50042), (30560, 48732), (31440, 47368), (32488, 45840), (35526, 41920), (36672, 40610)]