208907760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:743

約数の個数: 160

約数和(自身を含む): 685099008

約数和(自身を除く): 476191248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 43, 48, 60, 62, 80, 86, 93, 120, 124, 129, 155, 172, 186, 215, 240, 248, 258, 310, 344, 372, 430, 465, 496, 516, 620, 645, 653, 688, 744, 860, 930, 1032, 1240, 1290, 1306, 1333, 1488, 1720, 1860, 1959, 2064, 2480, 2580, 2612, 2666, 3265, 3440, 3720, 3918, 3999, 5160, 5224, 5332, 6530, 6665, 7440, 7836, 7998, 9795, 10320, 10448, 10664, 13060, 13330, 15672, 15996, 19590, 19995, 20243, 21328, 26120, 26660, 28079, 31344, 31992, 39180, 39990, 40486, 52240, 53320, 56158, 60729, 63984, 78360, 79980, 80972, 84237, 101215, 106640, 112316, 121458, 140395, 156720, 159960, 161944, 168474, 202430, 224632, 242916, 280790, 303645, 319920, 323888, 336948, 404860, 421185, 449264, 485832, 561580, 607290, 673896, 809720, 842370, 870449, 971664, 1123160, 1214580, 1347792, 1619440, 1684740, 1740898, 2246320, 2429160, 2611347, 3369480, 3481796, 4352245, 4858320, 5222694, 6738960, 6963592, 8704490, 10445388, 13056735, 13927184, 17408980, 20890776, 26113470, 34817960, 41781552, 52226940, 69635920, 104453880, 208907760]

約数ペア:

[(1, 208907760), (2, 104453880), (3, 69635920), (4, 52226940), (5, 41781552), (6, 34817960), (8, 26113470), (10, 20890776), (12, 17408980), (15, 13927184), (16, 13056735), (20, 10445388), (24, 8704490), (30, 6963592), (31, 6738960), (40, 5222694), (43, 4858320), (48, 4352245), (60, 3481796), (62, 3369480), (80, 2611347), (86, 2429160), (93, 2246320), (120, 1740898), (124, 1684740), (129, 1619440), (155, 1347792), (172, 1214580), (186, 1123160), (215, 971664), (240, 870449), (248, 842370), (258, 809720), (310, 673896), (344, 607290), (372, 561580), (430, 485832), (465, 449264), (496, 421185), (516, 404860), (620, 336948), (645, 323888), (653, 319920), (688, 303645), (744, 280790), (860, 242916), (930, 224632), (1032, 202430), (1240, 168474), (1290, 161944), (1306, 159960), (1333, 156720), (1488, 140395), (1720, 121458), (1860, 112316), (1959, 106640), (2064, 101215), (2480, 84237), (2580, 80972), (2612, 79980), (2666, 78360), (3265, 63984), (3440, 60729), (3720, 56158), (3918, 53320), (3999, 52240), (5160, 40486), (5224, 39990), (5332, 39180), (6530, 31992), (6665, 31344), (7440, 28079), (7836, 26660), (7998, 26120), (9795, 21328), (10320, 20243), (10448, 19995), (10664, 19590), (13060, 15996), (13330, 15672)]