646156920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1\times {\mathrm{359}}^1$

素因数の和:709

約数の個数: 128

約数和(自身を含む): 1987545600

約数和(自身を除く): 1341388680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 283, 318, 359, 424, 530, 566, 636, 718, 795, 849, 1060, 1077, 1132, 1272, 1415, 1436, 1590, 1698, 1795, 2120, 2154, 2264, 2830, 2872, 3180, 3396, 3590, 4245, 4308, 5385, 5660, 6360, 6792, 7180, 8490, 8616, 10770, 11320, 14360, 14999, 16980, 19027, 21540, 29998, 33960, 38054, 43080, 44997, 57081, 59996, 74995, 76108, 89994, 95135, 101597, 114162, 119992, 149990, 152216, 179988, 190270, 203194, 224985, 228324, 285405, 299980, 304791, 359976, 380540, 406388, 449970, 456648, 507985, 570810, 599960, 609582, 761080, 812776, 899940, 1015970, 1141620, 1219164, 1523955, 1799880, 2031940, 2283240, 2438328, 3047910, 4063880, 5384641, 6095820, 10769282, 12191640, 16153923, 21538564, 26923205, 32307846, 43077128, 53846410, 64615692, 80769615, 107692820, 129231384, 161539230, 215385640, 323078460, 646156920]

約数ペア:

[(1, 646156920), (2, 323078460), (3, 215385640), (4, 161539230), (5, 129231384), (6, 107692820), (8, 80769615), (10, 64615692), (12, 53846410), (15, 43077128), (20, 32307846), (24, 26923205), (30, 21538564), (40, 16153923), (53, 12191640), (60, 10769282), (106, 6095820), (120, 5384641), (159, 4063880), (212, 3047910), (265, 2438328), (283, 2283240), (318, 2031940), (359, 1799880), (424, 1523955), (530, 1219164), (566, 1141620), (636, 1015970), (718, 899940), (795, 812776), (849, 761080), (1060, 609582), (1077, 599960), (1132, 570810), (1272, 507985), (1415, 456648), (1436, 449970), (1590, 406388), (1698, 380540), (1795, 359976), (2120, 304791), (2154, 299980), (2264, 285405), (2830, 228324), (2872, 224985), (3180, 203194), (3396, 190270), (3590, 179988), (4245, 152216), (4308, 149990), (5385, 119992), (5660, 114162), (6360, 101597), (6792, 95135), (7180, 89994), (8490, 76108), (8616, 74995), (10770, 59996), (11320, 57081), (14360, 44997), (14999, 43080), (16980, 38054), (19027, 33960), (21540, 29998)]