1281374080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1249}}^1$

素因数の和:1504

約数の個数: 128

約数和(自身を含む): 3519000000

約数和(自身を除く): 2237625920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 229, 280, 320, 448, 458, 560, 640, 896, 916, 1120, 1145, 1249, 1603, 1832, 2240, 2290, 2498, 3206, 3664, 4480, 4580, 4996, 6245, 6412, 7328, 8015, 8743, 9160, 9992, 12490, 12824, 14656, 16030, 17486, 18320, 19984, 24980, 25648, 29312, 32060, 34972, 36640, 39968, 43715, 49960, 51296, 64120, 69944, 73280, 79936, 87430, 99920, 102592, 128240, 139888, 146560, 159872, 174860, 199840, 205184, 256480, 279776, 286021, 349720, 399680, 512960, 559552, 572042, 699440, 799360, 1025920, 1119104, 1144084, 1398880, 1430105, 2002147, 2288168, 2797760, 2860210, 4004294, 4576336, 5595520, 5720420, 8008588, 9152672, 10010735, 11440840, 16017176, 18305344, 20021470, 22881680, 32034352, 36610688, 40042940, 45763360, 64068704, 80085880, 91526720, 128137408, 160171760, 183053440, 256274816, 320343520, 640687040, 1281374080]

約数ペア:

[(1, 1281374080), (2, 640687040), (4, 320343520), (5, 256274816), (7, 183053440), (8, 160171760), (10, 128137408), (14, 91526720), (16, 80085880), (20, 64068704), (28, 45763360), (32, 40042940), (35, 36610688), (40, 32034352), (56, 22881680), (64, 20021470), (70, 18305344), (80, 16017176), (112, 11440840), (128, 10010735), (140, 9152672), (160, 8008588), (224, 5720420), (229, 5595520), (280, 4576336), (320, 4004294), (448, 2860210), (458, 2797760), (560, 2288168), (640, 2002147), (896, 1430105), (916, 1398880), (1120, 1144084), (1145, 1119104), (1249, 1025920), (1603, 799360), (1832, 699440), (2240, 572042), (2290, 559552), (2498, 512960), (3206, 399680), (3664, 349720), (4480, 286021), (4580, 279776), (4996, 256480), (6245, 205184), (6412, 199840), (7328, 174860), (8015, 159872), (8743, 146560), (9160, 139888), (9992, 128240), (12490, 102592), (12824, 99920), (14656, 87430), (16030, 79936), (17486, 73280), (18320, 69944), (19984, 64120), (24980, 51296), (25648, 49960), (29312, 43715), (32060, 39968), (34972, 36640)]