320343520

素因数分解:

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

素因数の和:1500

約数の個数: 96

約数和(自身を含む): 869400000

約数和(自身を除く): 549056480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 229, 280, 458, 560, 916, 1120, 1145, 1249, 1603, 1832, 2290, 2498, 3206, 3664, 4580, 4996, 6245, 6412, 7328, 8015, 8743, 9160, 9992, 12490, 12824, 16030, 17486, 18320, 19984, 24980, 25648, 32060, 34972, 36640, 39968, 43715, 49960, 51296, 64120, 69944, 87430, 99920, 128240, 139888, 174860, 199840, 256480, 279776, 286021, 349720, 572042, 699440, 1144084, 1398880, 1430105, 2002147, 2288168, 2860210, 4004294, 4576336, 5720420, 8008588, 9152672, 10010735, 11440840, 16017176, 20021470, 22881680, 32034352, 40042940, 45763360, 64068704, 80085880, 160171760, 320343520]

約数ペア:

[(1, 320343520), (2, 160171760), (4, 80085880), (5, 64068704), (7, 45763360), (8, 40042940), (10, 32034352), (14, 22881680), (16, 20021470), (20, 16017176), (28, 11440840), (32, 10010735), (35, 9152672), (40, 8008588), (56, 5720420), (70, 4576336), (80, 4004294), (112, 2860210), (140, 2288168), (160, 2002147), (224, 1430105), (229, 1398880), (280, 1144084), (458, 699440), (560, 572042), (916, 349720), (1120, 286021), (1145, 279776), (1249, 256480), (1603, 199840), (1832, 174860), (2290, 139888), (2498, 128240), (3206, 99920), (3664, 87430), (4580, 69944), (4996, 64120), (6245, 51296), (6412, 49960), (7328, 43715), (8015, 39968), (8743, 36640), (9160, 34972), (9992, 32060), (12490, 25648), (12824, 24980), (16030, 19984), (17486, 18320)]