814140840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:647

約数の個数: 128

約数和(自身を含む): 2486016000

約数和(自身を除く): 1671875160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 199, 206, 309, 331, 398, 412, 515, 597, 618, 662, 796, 824, 993, 995, 1030, 1194, 1236, 1324, 1545, 1592, 1655, 1986, 1990, 2060, 2388, 2472, 2648, 2985, 3090, 3310, 3972, 3980, 4120, 4776, 4965, 5970, 6180, 6620, 7944, 7960, 9930, 11940, 12360, 13240, 19860, 20497, 23880, 34093, 39720, 40994, 61491, 65869, 68186, 81988, 102279, 102485, 122982, 131738, 136372, 163976, 170465, 197607, 204558, 204970, 245964, 263476, 272744, 307455, 329345, 340930, 395214, 409116, 409940, 491928, 511395, 526952, 614910, 658690, 681860, 790428, 818232, 819880, 988035, 1022790, 1229820, 1317380, 1363720, 1580856, 1976070, 2045580, 2459640, 2634760, 3952140, 4091160, 6784507, 7904280, 13569014, 20353521, 27138028, 33922535, 40707042, 54276056, 67845070, 81414084, 101767605, 135690140, 162828168, 203535210, 271380280, 407070420, 814140840]

約数ペア:

[(1, 814140840), (2, 407070420), (3, 271380280), (4, 203535210), (5, 162828168), (6, 135690140), (8, 101767605), (10, 81414084), (12, 67845070), (15, 54276056), (20, 40707042), (24, 33922535), (30, 27138028), (40, 20353521), (60, 13569014), (103, 7904280), (120, 6784507), (199, 4091160), (206, 3952140), (309, 2634760), (331, 2459640), (398, 2045580), (412, 1976070), (515, 1580856), (597, 1363720), (618, 1317380), (662, 1229820), (796, 1022790), (824, 988035), (993, 819880), (995, 818232), (1030, 790428), (1194, 681860), (1236, 658690), (1324, 614910), (1545, 526952), (1592, 511395), (1655, 491928), (1986, 409940), (1990, 409116), (2060, 395214), (2388, 340930), (2472, 329345), (2648, 307455), (2985, 272744), (3090, 263476), (3310, 245964), (3972, 204970), (3980, 204558), (4120, 197607), (4776, 170465), (4965, 163976), (5970, 136372), (6180, 131738), (6620, 122982), (7944, 102485), (7960, 102279), (9930, 81988), (11940, 68186), (12360, 65869), (13240, 61491), (19860, 40994), (20497, 39720), (23880, 34093)]