20070180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{953}}^1$

素因数の和:987

約数の個数: 120

約数和(自身を含む): 67875192

約数和(自身を除く): 47805012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 953, 1053, 1170, 1404, 1620, 1755, 1906, 2106, 2340, 2859, 3510, 3812, 4212, 4765, 5265, 5718, 7020, 8577, 9530, 10530, 11436, 12389, 14295, 17154, 19060, 21060, 24778, 25731, 28590, 34308, 37167, 42885, 49556, 51462, 57180, 61945, 74334, 77193, 85770, 102924, 111501, 123890, 128655, 148668, 154386, 171540, 185835, 223002, 247780, 257310, 308772, 334503, 371670, 385965, 446004, 514620, 557505, 669006, 743340, 771930, 1003509, 1115010, 1338012, 1543860, 1672515, 2007018, 2230020, 3345030, 4014036, 5017545, 6690060, 10035090, 20070180]

約数ペア:

[(1, 20070180), (2, 10035090), (3, 6690060), (4, 5017545), (5, 4014036), (6, 3345030), (9, 2230020), (10, 2007018), (12, 1672515), (13, 1543860), (15, 1338012), (18, 1115010), (20, 1003509), (26, 771930), (27, 743340), (30, 669006), (36, 557505), (39, 514620), (45, 446004), (52, 385965), (54, 371670), (60, 334503), (65, 308772), (78, 257310), (81, 247780), (90, 223002), (108, 185835), (117, 171540), (130, 154386), (135, 148668), (156, 128655), (162, 123890), (180, 111501), (195, 102924), (234, 85770), (260, 77193), (270, 74334), (324, 61945), (351, 57180), (390, 51462), (405, 49556), (468, 42885), (540, 37167), (585, 34308), (702, 28590), (780, 25731), (810, 24778), (953, 21060), (1053, 19060), (1170, 17154), (1404, 14295), (1620, 12389), (1755, 11436), (1906, 10530), (2106, 9530), (2340, 8577), (2859, 7020), (3510, 5718), (3812, 5265), (4212, 4765)]