180717992

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 447068160

約数和(自身を除く): 266350168

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 43, 46, 52, 56, 86, 91, 92, 104, 161, 172, 182, 184, 251, 299, 301, 322, 344, 364, 502, 559, 598, 602, 644, 728, 989, 1004, 1118, 1196, 1204, 1288, 1757, 1978, 2008, 2093, 2236, 2392, 2408, 3263, 3514, 3913, 3956, 4186, 4472, 5773, 6526, 6923, 7028, 7826, 7912, 8372, 10793, 11546, 12857, 13052, 13846, 14056, 15652, 16744, 21586, 22841, 23092, 25714, 26104, 27692, 31304, 40411, 43172, 45682, 46184, 51428, 55384, 75049, 75551, 80822, 86344, 89999, 91364, 102856, 140309, 150098, 151102, 161644, 179998, 182728, 248239, 280618, 300196, 302204, 323288, 359996, 496478, 525343, 561236, 600392, 604408, 719992, 982163, 992956, 1050686, 1122472, 1737673, 1964326, 1985912, 2101372, 3227107, 3475346, 3928652, 4202744, 6454214, 6950692, 7857304, 12908428, 13901384, 22589749, 25816856, 45179498, 90358996, 180717992]

約数ペア:

[(1, 180717992), (2, 90358996), (4, 45179498), (7, 25816856), (8, 22589749), (13, 13901384), (14, 12908428), (23, 7857304), (26, 6950692), (28, 6454214), (43, 4202744), (46, 3928652), (52, 3475346), (56, 3227107), (86, 2101372), (91, 1985912), (92, 1964326), (104, 1737673), (161, 1122472), (172, 1050686), (182, 992956), (184, 982163), (251, 719992), (299, 604408), (301, 600392), (322, 561236), (344, 525343), (364, 496478), (502, 359996), (559, 323288), (598, 302204), (602, 300196), (644, 280618), (728, 248239), (989, 182728), (1004, 179998), (1118, 161644), (1196, 151102), (1204, 150098), (1288, 140309), (1757, 102856), (1978, 91364), (2008, 89999), (2093, 86344), (2236, 80822), (2392, 75551), (2408, 75049), (3263, 55384), (3514, 51428), (3913, 46184), (3956, 45682), (4186, 43172), (4472, 40411), (5773, 31304), (6526, 27692), (6923, 26104), (7028, 25714), (7826, 23092), (7912, 22841), (8372, 21586), (10793, 16744), (11546, 15652), (12857, 14056), (13052, 13846)]