287596920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:390

約数の個数: 256

約数和(自身を含む): 1012838400

約数和(自身を除く): 725241480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 31, 38, 39, 40, 52, 57, 60, 62, 65, 76, 78, 93, 95, 104, 114, 120, 124, 130, 152, 155, 156, 186, 190, 195, 228, 247, 248, 260, 285, 310, 312, 313, 372, 380, 390, 403, 456, 465, 494, 520, 570, 589, 620, 626, 741, 744, 760, 780, 806, 930, 939, 988, 1140, 1178, 1209, 1235, 1240, 1252, 1482, 1560, 1565, 1612, 1767, 1860, 1878, 1976, 2015, 2280, 2356, 2418, 2470, 2504, 2945, 2964, 3130, 3224, 3534, 3705, 3720, 3756, 4030, 4069, 4695, 4712, 4836, 4940, 5890, 5928, 5947, 6045, 6260, 7068, 7410, 7512, 7657, 8060, 8138, 8835, 9390, 9672, 9703, 9880, 11780, 11894, 12090, 12207, 12520, 14136, 14820, 15314, 16120, 16276, 17670, 17841, 18780, 19406, 20345, 22971, 23560, 23788, 24180, 24414, 29109, 29640, 29735, 30628, 32552, 35340, 35682, 37560, 38285, 38812, 40690, 45942, 47576, 48360, 48515, 48828, 58218, 59470, 61035, 61256, 70680, 71364, 76570, 77311, 77624, 81380, 89205, 91884, 97030, 97656, 114855, 116436, 118940, 122070, 126139, 142728, 145545, 153140, 154622, 162760, 178410, 183768, 184357, 194060, 229710, 231933, 232872, 237880, 244140, 252278, 291090, 306280, 309244, 356820, 368714, 378417, 386555, 388120, 459420, 463866, 488280, 504556, 553071, 582180, 618488, 630695, 713640, 737428, 756834, 773110, 918840, 921785, 927732, 1009112, 1106142, 1159665, 1164360, 1261390, 1474856, 1513668, 1546220, 1843570, 1855464, 1892085, 2212284, 2319330, 2396641, 2522780, 2765355, 3027336, 3092440, 3687140, 3784170, 4424568, 4638660, 4793282, 5045560, 5530710, 7189923, 7374280, 7568340, 9277320, 9586564, 11061420, 11983205, 14379846, 15136680, 19173128, 22122840, 23966410, 28759692, 35949615, 47932820, 57519384, 71899230, 95865640, 143798460, 287596920]

約数ペア:

[(1, 287596920), (2, 143798460), (3, 95865640), (4, 71899230), (5, 57519384), (6, 47932820), (8, 35949615), (10, 28759692), (12, 23966410), (13, 22122840), (15, 19173128), (19, 15136680), (20, 14379846), (24, 11983205), (26, 11061420), (30, 9586564), (31, 9277320), (38, 7568340), (39, 7374280), (40, 7189923), (52, 5530710), (57, 5045560), (60, 4793282), (62, 4638660), (65, 4424568), (76, 3784170), (78, 3687140), (93, 3092440), (95, 3027336), (104, 2765355), (114, 2522780), (120, 2396641), (124, 2319330), (130, 2212284), (152, 1892085), (155, 1855464), (156, 1843570), (186, 1546220), (190, 1513668), (195, 1474856), (228, 1261390), (247, 1164360), (248, 1159665), (260, 1106142), (285, 1009112), (310, 927732), (312, 921785), (313, 918840), (372, 773110), (380, 756834), (390, 737428), (403, 713640), (456, 630695), (465, 618488), (494, 582180), (520, 553071), (570, 504556), (589, 488280), (620, 463866), (626, 459420), (741, 388120), (744, 386555), (760, 378417), (780, 368714), (806, 356820), (930, 309244), (939, 306280), (988, 291090), (1140, 252278), (1178, 244140), (1209, 237880), (1235, 232872), (1240, 231933), (1252, 229710), (1482, 194060), (1560, 184357), (1565, 183768), (1612, 178410), (1767, 162760), (1860, 154622), (1878, 153140), (1976, 145545), (2015, 142728), (2280, 126139), (2356, 122070), (2418, 118940), (2470, 116436), (2504, 114855), (2945, 97656), (2964, 97030), (3130, 91884), (3224, 89205), (3534, 81380), (3705, 77624), (3720, 77311), (3756, 76570), (4030, 71364), (4069, 70680), (4695, 61256), (4712, 61035), (4836, 59470), (4940, 58218), (5890, 48828), (5928, 48515), (5947, 48360), (6045, 47576), (6260, 45942), (7068, 40690), (7410, 38812), (7512, 38285), (7657, 37560), (8060, 35682), (8138, 35340), (8835, 32552), (9390, 30628), (9672, 29735), (9703, 29640), (9880, 29109), (11780, 24414), (11894, 24180), (12090, 23788), (12207, 23560), (12520, 22971), (14136, 20345), (14820, 19406), (15314, 18780), (16120, 17841), (16276, 17670)]