728275240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1987}}^1$

素因数の和:2040

約数の個数: 192

約数和(自身を含む): 2202863040

約数和(自身を除く): 1474587800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 49, 55, 56, 68, 70, 77, 85, 88, 98, 110, 119, 136, 140, 154, 170, 187, 196, 220, 238, 245, 280, 308, 340, 374, 385, 392, 440, 476, 490, 539, 595, 616, 680, 748, 770, 833, 935, 952, 980, 1078, 1190, 1309, 1496, 1540, 1666, 1870, 1960, 1987, 2156, 2380, 2618, 2695, 3080, 3332, 3740, 3974, 4165, 4312, 4760, 5236, 5390, 6545, 6664, 7480, 7948, 8330, 9163, 9935, 10472, 10780, 13090, 13909, 15896, 16660, 18326, 19870, 21560, 21857, 26180, 27818, 33320, 33779, 36652, 39740, 43714, 45815, 52360, 55636, 67558, 69545, 73304, 79480, 87428, 91630, 97363, 109285, 111272, 135116, 139090, 152999, 168895, 174856, 183260, 194726, 218570, 236453, 270232, 278180, 305998, 337790, 366520, 371569, 389452, 437140, 472906, 486815, 556360, 611996, 675580, 743138, 764995, 778904, 874280, 945812, 973630, 1070993, 1182265, 1223992, 1351160, 1486276, 1529990, 1655171, 1857845, 1891624, 1947260, 2141986, 2364530, 2600983, 2972552, 3059980, 3310342, 3715690, 3894520, 4283972, 4729060, 5201966, 5354965, 6119960, 6620684, 7431380, 8275855, 8567944, 9458120, 10403932, 10709930, 13004915, 13241368, 14862760, 16551710, 18206881, 20807864, 21419860, 26009830, 33103420, 36413762, 42839720, 52019660, 66206840, 72827524, 91034405, 104039320, 145655048, 182068810, 364137620, 728275240]

約数ペア:

[(1, 728275240), (2, 364137620), (4, 182068810), (5, 145655048), (7, 104039320), (8, 91034405), (10, 72827524), (11, 66206840), (14, 52019660), (17, 42839720), (20, 36413762), (22, 33103420), (28, 26009830), (34, 21419860), (35, 20807864), (40, 18206881), (44, 16551710), (49, 14862760), (55, 13241368), (56, 13004915), (68, 10709930), (70, 10403932), (77, 9458120), (85, 8567944), (88, 8275855), (98, 7431380), (110, 6620684), (119, 6119960), (136, 5354965), (140, 5201966), (154, 4729060), (170, 4283972), (187, 3894520), (196, 3715690), (220, 3310342), (238, 3059980), (245, 2972552), (280, 2600983), (308, 2364530), (340, 2141986), (374, 1947260), (385, 1891624), (392, 1857845), (440, 1655171), (476, 1529990), (490, 1486276), (539, 1351160), (595, 1223992), (616, 1182265), (680, 1070993), (748, 973630), (770, 945812), (833, 874280), (935, 778904), (952, 764995), (980, 743138), (1078, 675580), (1190, 611996), (1309, 556360), (1496, 486815), (1540, 472906), (1666, 437140), (1870, 389452), (1960, 371569), (1987, 366520), (2156, 337790), (2380, 305998), (2618, 278180), (2695, 270232), (3080, 236453), (3332, 218570), (3740, 194726), (3974, 183260), (4165, 174856), (4312, 168895), (4760, 152999), (5236, 139090), (5390, 135116), (6545, 111272), (6664, 109285), (7480, 97363), (7948, 91630), (8330, 87428), (9163, 79480), (9935, 73304), (10472, 69545), (10780, 67558), (13090, 55636), (13909, 52360), (15896, 45815), (16660, 43714), (18326, 39740), (19870, 36652), (21560, 33779), (21857, 33320), (26180, 27818)]