255830640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{491}}^1$

素因数の和:687

約数の個数: 160

約数和(自身を含む): 860944896

約数和(自身を除く): 605114256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 167, 195, 208, 240, 260, 312, 334, 390, 491, 501, 520, 624, 668, 780, 835, 982, 1002, 1040, 1336, 1473, 1560, 1670, 1964, 2004, 2171, 2455, 2505, 2672, 2946, 3120, 3340, 3928, 4008, 4342, 4910, 5010, 5892, 6383, 6513, 6680, 7365, 7856, 8016, 8684, 9820, 10020, 10855, 11784, 12766, 13026, 13360, 14730, 17368, 19149, 19640, 20040, 21710, 23568, 25532, 26052, 29460, 31915, 32565, 34736, 38298, 39280, 40080, 43420, 51064, 52104, 58920, 63830, 65130, 76596, 81997, 86840, 95745, 102128, 104208, 117840, 127660, 130260, 153192, 163994, 173680, 191490, 245991, 255320, 260520, 306384, 327988, 382980, 409985, 491982, 510640, 521040, 655976, 765960, 819970, 983964, 1065961, 1229955, 1311952, 1531920, 1639940, 1967928, 2131922, 2459910, 3197883, 3279880, 3935856, 4263844, 4919820, 5329805, 6395766, 6559760, 8527688, 9839640, 10659610, 12791532, 15989415, 17055376, 19679280, 21319220, 25583064, 31978830, 42638440, 51166128, 63957660, 85276880, 127915320, 255830640]

約数ペア:

[(1, 255830640), (2, 127915320), (3, 85276880), (4, 63957660), (5, 51166128), (6, 42638440), (8, 31978830), (10, 25583064), (12, 21319220), (13, 19679280), (15, 17055376), (16, 15989415), (20, 12791532), (24, 10659610), (26, 9839640), (30, 8527688), (39, 6559760), (40, 6395766), (48, 5329805), (52, 4919820), (60, 4263844), (65, 3935856), (78, 3279880), (80, 3197883), (104, 2459910), (120, 2131922), (130, 1967928), (156, 1639940), (167, 1531920), (195, 1311952), (208, 1229955), (240, 1065961), (260, 983964), (312, 819970), (334, 765960), (390, 655976), (491, 521040), (501, 510640), (520, 491982), (624, 409985), (668, 382980), (780, 327988), (835, 306384), (982, 260520), (1002, 255320), (1040, 245991), (1336, 191490), (1473, 173680), (1560, 163994), (1670, 153192), (1964, 130260), (2004, 127660), (2171, 117840), (2455, 104208), (2505, 102128), (2672, 95745), (2946, 86840), (3120, 81997), (3340, 76596), (3928, 65130), (4008, 63830), (4342, 58920), (4910, 52104), (5010, 51064), (5892, 43420), (6383, 40080), (6513, 39280), (6680, 38298), (7365, 34736), (7856, 32565), (8016, 31915), (8684, 29460), (9820, 26052), (10020, 25532), (10855, 23568), (11784, 21710), (12766, 20040), (13026, 19640), (13360, 19149), (14730, 17368)]