637498980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{208333}}^1$

素因数の和:208365

約数の個数: 72

約数和(自身を含む): 2047506552

約数和(自身を除く): 1410007572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 208333, 416666, 624999, 833332, 1041665, 1249998, 1874997, 2083330, 2499996, 3124995, 3541661, 3749994, 4166660, 6249990, 7083322, 7499988, 9374985, 10624983, 12499980, 14166644, 17708305, 18749970, 21249966, 31874949, 35416610, 37499940, 42499932, 53124915, 63749898, 70833220, 106249830, 127499796, 159374745, 212499660, 318749490, 637498980]

約数ペア:

[(1, 637498980), (2, 318749490), (3, 212499660), (4, 159374745), (5, 127499796), (6, 106249830), (9, 70833220), (10, 63749898), (12, 53124915), (15, 42499932), (17, 37499940), (18, 35416610), (20, 31874949), (30, 21249966), (34, 18749970), (36, 17708305), (45, 14166644), (51, 12499980), (60, 10624983), (68, 9374985), (85, 7499988), (90, 7083322), (102, 6249990), (153, 4166660), (170, 3749994), (180, 3541661), (204, 3124995), (255, 2499996), (306, 2083330), (340, 1874997), (510, 1249998), (612, 1041665), (765, 833332), (1020, 624999), (1530, 416666), (3060, 208333)]