287805420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 288

約数和(自身を含む): 1062936000

約数和(自身を除く): 775130580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 73, 84, 90, 98, 105, 108, 126, 135, 140, 146, 147, 149, 180, 189, 196, 210, 219, 245, 252, 270, 292, 294, 298, 315, 365, 378, 420, 438, 441, 447, 490, 511, 540, 588, 596, 630, 657, 730, 735, 745, 756, 876, 882, 894, 945, 980, 1022, 1043, 1095, 1260, 1314, 1323, 1341, 1460, 1470, 1490, 1533, 1764, 1788, 1890, 1971, 2044, 2086, 2190, 2205, 2235, 2555, 2628, 2646, 2682, 2940, 2980, 3066, 3129, 3285, 3577, 3780, 3942, 4023, 4172, 4380, 4410, 4470, 4599, 5110, 5215, 5292, 5364, 6132, 6258, 6570, 6615, 6705, 7154, 7301, 7665, 7884, 8046, 8820, 8940, 9198, 9387, 9855, 10220, 10430, 10731, 10877, 12516, 13140, 13230, 13410, 13797, 14308, 14602, 15330, 15645, 16092, 17885, 18396, 18774, 19710, 20115, 20860, 21462, 21754, 21903, 22995, 26460, 26820, 27594, 28161, 29204, 30660, 31290, 32193, 32631, 35770, 36505, 37548, 39420, 40230, 42924, 43508, 43806, 45990, 46935, 53655, 54385, 55188, 56322, 62580, 64386, 65262, 65709, 68985, 71540, 73010, 76139, 80460, 87612, 91980, 93870, 96579, 97893, 107310, 108770, 109515, 112644, 128772, 130524, 131418, 137970, 140805, 146020, 152278, 160965, 163155, 187740, 193158, 195786, 197127, 214620, 217540, 219030, 228417, 262836, 275940, 281610, 293679, 304556, 321930, 326310, 328545, 380695, 386316, 391572, 394254, 438060, 456834, 482895, 489465, 532973, 563220, 587358, 643860, 652620, 657090, 685251, 761390, 788508, 913668, 965790, 978930, 985635, 1065946, 1142085, 1174716, 1314180, 1370502, 1468395, 1522780, 1598919, 1931580, 1957860, 1971270, 2055753, 2131892, 2284170, 2664865, 2741004, 2936790, 3197838, 3426255, 3942540, 4111506, 4568340, 4796757, 5329730, 5873580, 6395676, 6852510, 7994595, 8223012, 9593514, 10278765, 10659460, 13705020, 14390271, 15989190, 19187028, 20557530, 23983785, 28780542, 31978380, 41115060, 47967570, 57561084, 71951355, 95935140, 143902710, 287805420]

約数ペア:

[(1, 287805420), (2, 143902710), (3, 95935140), (4, 71951355), (5, 57561084), (6, 47967570), (7, 41115060), (9, 31978380), (10, 28780542), (12, 23983785), (14, 20557530), (15, 19187028), (18, 15989190), (20, 14390271), (21, 13705020), (27, 10659460), (28, 10278765), (30, 9593514), (35, 8223012), (36, 7994595), (42, 6852510), (45, 6395676), (49, 5873580), (54, 5329730), (60, 4796757), (63, 4568340), (70, 4111506), (73, 3942540), (84, 3426255), (90, 3197838), (98, 2936790), (105, 2741004), (108, 2664865), (126, 2284170), (135, 2131892), (140, 2055753), (146, 1971270), (147, 1957860), (149, 1931580), (180, 1598919), (189, 1522780), (196, 1468395), (210, 1370502), (219, 1314180), (245, 1174716), (252, 1142085), (270, 1065946), (292, 985635), (294, 978930), (298, 965790), (315, 913668), (365, 788508), (378, 761390), (420, 685251), (438, 657090), (441, 652620), (447, 643860), (490, 587358), (511, 563220), (540, 532973), (588, 489465), (596, 482895), (630, 456834), (657, 438060), (730, 394254), (735, 391572), (745, 386316), (756, 380695), (876, 328545), (882, 326310), (894, 321930), (945, 304556), (980, 293679), (1022, 281610), (1043, 275940), (1095, 262836), (1260, 228417), (1314, 219030), (1323, 217540), (1341, 214620), (1460, 197127), (1470, 195786), (1490, 193158), (1533, 187740), (1764, 163155), (1788, 160965), (1890, 152278), (1971, 146020), (2044, 140805), (2086, 137970), (2190, 131418), (2205, 130524), (2235, 128772), (2555, 112644), (2628, 109515), (2646, 108770), (2682, 107310), (2940, 97893), (2980, 96579), (3066, 93870), (3129, 91980), (3285, 87612), (3577, 80460), (3780, 76139), (3942, 73010), (4023, 71540), (4172, 68985), (4380, 65709), (4410, 65262), (4470, 64386), (4599, 62580), (5110, 56322), (5215, 55188), (5292, 54385), (5364, 53655), (6132, 46935), (6258, 45990), (6570, 43806), (6615, 43508), (6705, 42924), (7154, 40230), (7301, 39420), (7665, 37548), (7884, 36505), (8046, 35770), (8820, 32631), (8940, 32193), (9198, 31290), (9387, 30660), (9855, 29204), (10220, 28161), (10430, 27594), (10731, 26820), (10877, 26460), (12516, 22995), (13140, 21903), (13230, 21754), (13410, 21462), (13797, 20860), (14308, 20115), (14602, 19710), (15330, 18774), (15645, 18396), (16092, 17885)]