688233480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:217

約数の個数: 256

約数和(自身を含む): 2361139200

約数和(自身を除く): 1672905720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 121, 124, 132, 139, 155, 165, 186, 220, 242, 248, 264, 278, 310, 330, 341, 363, 372, 417, 440, 465, 484, 556, 605, 620, 660, 682, 695, 726, 744, 834, 930, 968, 1023, 1112, 1210, 1240, 1320, 1331, 1364, 1390, 1452, 1529, 1668, 1705, 1815, 1860, 2046, 2085, 2420, 2662, 2728, 2780, 2904, 3058, 3336, 3410, 3630, 3720, 3751, 3993, 4092, 4170, 4309, 4587, 4840, 5115, 5324, 5560, 6116, 6655, 6820, 7260, 7502, 7645, 7986, 8184, 8340, 8618, 9174, 10230, 10648, 11253, 12232, 12927, 13310, 13640, 14520, 15004, 15290, 15972, 16680, 16819, 17236, 18348, 18755, 19965, 20460, 21545, 22506, 22935, 25854, 26620, 30008, 30580, 31944, 33638, 34472, 36696, 37510, 39930, 40920, 41261, 43090, 45012, 45870, 47399, 50457, 51708, 53240, 56265, 61160, 64635, 67276, 75020, 79860, 82522, 84095, 86180, 90024, 91740, 94798, 100914, 103416, 112530, 123783, 129270, 134552, 142197, 150040, 159720, 165044, 168190, 172360, 183480, 185009, 189596, 201828, 206305, 225060, 236995, 247566, 252285, 258540, 284394, 330088, 336380, 370018, 379192, 403656, 412610, 450120, 473990, 495132, 504570, 517080, 521389, 555027, 568788, 618915, 672760, 710985, 740036, 825220, 925045, 947980, 990264, 1009140, 1042778, 1110054, 1137576, 1237830, 1421970, 1480072, 1564167, 1650440, 1850090, 1895960, 2018280, 2085556, 2220108, 2475660, 2606945, 2775135, 2843940, 3128334, 3700180, 4171112, 4440216, 4951320, 5213890, 5550270, 5687880, 5735279, 6256668, 7400360, 7820835, 10427780, 11100540, 11470558, 12513336, 15641670, 17205837, 20855560, 22201080, 22941116, 28676395, 31283340, 34411674, 45882232, 57352790, 62566680, 68823348, 86029185, 114705580, 137646696, 172058370, 229411160, 344116740, 688233480]

約数ペア:

[(1, 688233480), (2, 344116740), (3, 229411160), (4, 172058370), (5, 137646696), (6, 114705580), (8, 86029185), (10, 68823348), (11, 62566680), (12, 57352790), (15, 45882232), (20, 34411674), (22, 31283340), (24, 28676395), (30, 22941116), (31, 22201080), (33, 20855560), (40, 17205837), (44, 15641670), (55, 12513336), (60, 11470558), (62, 11100540), (66, 10427780), (88, 7820835), (93, 7400360), (110, 6256668), (120, 5735279), (121, 5687880), (124, 5550270), (132, 5213890), (139, 4951320), (155, 4440216), (165, 4171112), (186, 3700180), (220, 3128334), (242, 2843940), (248, 2775135), (264, 2606945), (278, 2475660), (310, 2220108), (330, 2085556), (341, 2018280), (363, 1895960), (372, 1850090), (417, 1650440), (440, 1564167), (465, 1480072), (484, 1421970), (556, 1237830), (605, 1137576), (620, 1110054), (660, 1042778), (682, 1009140), (695, 990264), (726, 947980), (744, 925045), (834, 825220), (930, 740036), (968, 710985), (1023, 672760), (1112, 618915), (1210, 568788), (1240, 555027), (1320, 521389), (1331, 517080), (1364, 504570), (1390, 495132), (1452, 473990), (1529, 450120), (1668, 412610), (1705, 403656), (1815, 379192), (1860, 370018), (2046, 336380), (2085, 330088), (2420, 284394), (2662, 258540), (2728, 252285), (2780, 247566), (2904, 236995), (3058, 225060), (3336, 206305), (3410, 201828), (3630, 189596), (3720, 185009), (3751, 183480), (3993, 172360), (4092, 168190), (4170, 165044), (4309, 159720), (4587, 150040), (4840, 142197), (5115, 134552), (5324, 129270), (5560, 123783), (6116, 112530), (6655, 103416), (6820, 100914), (7260, 94798), (7502, 91740), (7645, 90024), (7986, 86180), (8184, 84095), (8340, 82522), (8618, 79860), (9174, 75020), (10230, 67276), (10648, 64635), (11253, 61160), (12232, 56265), (12927, 53240), (13310, 51708), (13640, 50457), (14520, 47399), (15004, 45870), (15290, 45012), (15972, 43090), (16680, 41261), (16819, 40920), (17236, 39930), (18348, 37510), (18755, 36696), (19965, 34472), (20460, 33638), (21545, 31944), (22506, 30580), (22935, 30008), (25854, 26620)]