157420510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:242

約数の個数: 128

約数和(自身を含む): 357073920

約数和(自身を除く): 199653410

約数列:

[1, 2, 5, 10, 13, 17, 19, 23, 26, 34, 38, 46, 65, 85, 95, 115, 130, 163, 170, 190, 221, 230, 247, 299, 323, 326, 391, 437, 442, 494, 598, 646, 782, 815, 874, 1105, 1235, 1495, 1615, 1630, 1955, 2119, 2185, 2210, 2470, 2771, 2990, 3097, 3230, 3749, 3910, 4199, 4238, 4370, 5083, 5542, 5681, 6194, 7429, 7498, 8398, 10166, 10595, 11362, 13855, 14858, 15485, 18745, 20995, 21190, 25415, 27710, 28405, 30970, 36023, 37145, 37490, 40261, 41990, 48737, 50830, 52649, 56810, 63733, 71231, 72046, 74290, 80522, 96577, 97474, 105298, 127466, 142462, 180115, 193154, 201305, 243685, 263245, 318665, 356155, 360230, 402610, 482885, 487370, 526490, 637330, 684437, 712310, 828529, 926003, 965770, 1210927, 1368874, 1657058, 1852006, 2421854, 3422185, 4142645, 4630015, 6054635, 6844370, 8285290, 9260030, 12109270, 15742051, 31484102, 78710255, 157420510]

約数ペア:

[(1, 157420510), (2, 78710255), (5, 31484102), (10, 15742051), (13, 12109270), (17, 9260030), (19, 8285290), (23, 6844370), (26, 6054635), (34, 4630015), (38, 4142645), (46, 3422185), (65, 2421854), (85, 1852006), (95, 1657058), (115, 1368874), (130, 1210927), (163, 965770), (170, 926003), (190, 828529), (221, 712310), (230, 684437), (247, 637330), (299, 526490), (323, 487370), (326, 482885), (391, 402610), (437, 360230), (442, 356155), (494, 318665), (598, 263245), (646, 243685), (782, 201305), (815, 193154), (874, 180115), (1105, 142462), (1235, 127466), (1495, 105298), (1615, 97474), (1630, 96577), (1955, 80522), (2119, 74290), (2185, 72046), (2210, 71231), (2470, 63733), (2771, 56810), (2990, 52649), (3097, 50830), (3230, 48737), (3749, 41990), (3910, 40261), (4199, 37490), (4238, 37145), (4370, 36023), (5083, 30970), (5542, 28405), (5681, 27710), (6194, 25415), (7429, 21190), (7498, 20995), (8398, 18745), (10166, 15485), (10595, 14858), (11362, 13855)]