80206920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7187}}^1$

素因数の和:7235

約数の個数: 96

約数和(自身を含む): 269118720

約数和(自身を除く): 188911800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 7187, 11160, 14374, 21561, 28748, 35935, 43122, 57496, 64683, 71870, 86244, 107805, 129366, 143740, 172488, 215610, 222797, 258732, 287480, 323415, 431220, 445594, 517464, 646830, 668391, 862440, 891188, 1113985, 1293660, 1336782, 1782376, 2005173, 2227970, 2587320, 2673564, 3341955, 4010346, 4455940, 5347128, 6683910, 8020692, 8911880, 10025865, 13367820, 16041384, 20051730, 26735640, 40103460, 80206920]

約数ペア:

[(1, 80206920), (2, 40103460), (3, 26735640), (4, 20051730), (5, 16041384), (6, 13367820), (8, 10025865), (9, 8911880), (10, 8020692), (12, 6683910), (15, 5347128), (18, 4455940), (20, 4010346), (24, 3341955), (30, 2673564), (31, 2587320), (36, 2227970), (40, 2005173), (45, 1782376), (60, 1336782), (62, 1293660), (72, 1113985), (90, 891188), (93, 862440), (120, 668391), (124, 646830), (155, 517464), (180, 445594), (186, 431220), (248, 323415), (279, 287480), (310, 258732), (360, 222797), (372, 215610), (465, 172488), (558, 143740), (620, 129366), (744, 107805), (930, 86244), (1116, 71870), (1240, 64683), (1395, 57496), (1860, 43122), (2232, 35935), (2790, 28748), (3720, 21561), (5580, 14374), (7187, 11160)]