31807620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:251

約数の個数: 192

約数和(自身を含む): 111767040

約数和(自身を除く): 79959420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 27, 30, 36, 39, 45, 46, 52, 54, 60, 65, 69, 78, 90, 92, 108, 115, 117, 130, 135, 138, 156, 180, 195, 197, 207, 230, 234, 260, 270, 276, 299, 345, 351, 390, 394, 414, 460, 468, 540, 585, 591, 598, 621, 690, 702, 780, 788, 828, 897, 985, 1035, 1170, 1182, 1196, 1242, 1380, 1404, 1495, 1755, 1773, 1794, 1970, 2070, 2340, 2364, 2484, 2561, 2691, 2955, 2990, 3105, 3510, 3546, 3588, 3940, 4140, 4485, 4531, 5122, 5319, 5382, 5910, 5980, 6210, 7020, 7092, 7683, 8073, 8865, 8970, 9062, 10244, 10638, 10764, 11820, 12420, 12805, 13455, 13593, 15366, 16146, 17730, 17940, 18124, 21276, 22655, 23049, 25610, 26595, 26910, 27186, 30732, 32292, 35460, 38415, 40365, 40779, 45310, 46098, 51220, 53190, 53820, 54372, 58903, 67965, 69147, 76830, 80730, 81558, 90620, 92196, 106380, 115245, 117806, 122337, 135930, 138294, 153660, 161460, 163116, 176709, 203895, 230490, 235612, 244674, 271860, 276588, 294515, 345735, 353418, 407790, 460980, 489348, 530127, 589030, 611685, 691470, 706836, 815580, 883545, 1060254, 1178060, 1223370, 1382940, 1590381, 1767090, 2120508, 2446740, 2650635, 3180762, 3534180, 5301270, 6361524, 7951905, 10602540, 15903810, 31807620]

約数ペア:

[(1, 31807620), (2, 15903810), (3, 10602540), (4, 7951905), (5, 6361524), (6, 5301270), (9, 3534180), (10, 3180762), (12, 2650635), (13, 2446740), (15, 2120508), (18, 1767090), (20, 1590381), (23, 1382940), (26, 1223370), (27, 1178060), (30, 1060254), (36, 883545), (39, 815580), (45, 706836), (46, 691470), (52, 611685), (54, 589030), (60, 530127), (65, 489348), (69, 460980), (78, 407790), (90, 353418), (92, 345735), (108, 294515), (115, 276588), (117, 271860), (130, 244674), (135, 235612), (138, 230490), (156, 203895), (180, 176709), (195, 163116), (197, 161460), (207, 153660), (230, 138294), (234, 135930), (260, 122337), (270, 117806), (276, 115245), (299, 106380), (345, 92196), (351, 90620), (390, 81558), (394, 80730), (414, 76830), (460, 69147), (468, 67965), (540, 58903), (585, 54372), (591, 53820), (598, 53190), (621, 51220), (690, 46098), (702, 45310), (780, 40779), (788, 40365), (828, 38415), (897, 35460), (985, 32292), (1035, 30732), (1170, 27186), (1182, 26910), (1196, 26595), (1242, 25610), (1380, 23049), (1404, 22655), (1495, 21276), (1755, 18124), (1773, 17940), (1794, 17730), (1970, 16146), (2070, 15366), (2340, 13593), (2364, 13455), (2484, 12805), (2561, 12420), (2691, 11820), (2955, 10764), (2990, 10638), (3105, 10244), (3510, 9062), (3546, 8970), (3588, 8865), (3940, 8073), (4140, 7683), (4485, 7092), (4531, 7020), (5122, 6210), (5319, 5980), (5382, 5910)]