40498380

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:678

約数の個数: 144

約数和(自身を含む): 137408544

約数和(自身を除く): 96910164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 641, 702, 780, 810, 972, 1053, 1170, 1215, 1282, 1404, 1620, 1755, 1923, 2106, 2340, 2430, 2564, 3159, 3205, 3510, 3846, 4212, 4860, 5265, 5769, 6318, 6410, 7020, 7692, 8333, 9615, 10530, 11538, 12636, 12820, 15795, 16666, 17307, 19230, 21060, 23076, 24999, 28845, 31590, 33332, 34614, 38460, 41665, 49998, 51921, 57690, 63180, 69228, 74997, 83330, 86535, 99996, 103842, 115380, 124995, 149994, 155763, 166660, 173070, 207684, 224991, 249990, 259605, 299988, 311526, 346140, 374985, 449982, 499980, 519210, 623052, 674973, 749970, 778815, 899964, 1038420, 1124955, 1349946, 1499940, 1557630, 2024919, 2249910, 2699892, 3115260, 3374865, 4049838, 4499820, 6749730, 8099676, 10124595, 13499460, 20249190, 40498380]

約数ペア:

[(1, 40498380), (2, 20249190), (3, 13499460), (4, 10124595), (5, 8099676), (6, 6749730), (9, 4499820), (10, 4049838), (12, 3374865), (13, 3115260), (15, 2699892), (18, 2249910), (20, 2024919), (26, 1557630), (27, 1499940), (30, 1349946), (36, 1124955), (39, 1038420), (45, 899964), (52, 778815), (54, 749970), (60, 674973), (65, 623052), (78, 519210), (81, 499980), (90, 449982), (108, 374985), (117, 346140), (130, 311526), (135, 299988), (156, 259605), (162, 249990), (180, 224991), (195, 207684), (234, 173070), (243, 166660), (260, 155763), (270, 149994), (324, 124995), (351, 115380), (390, 103842), (405, 99996), (468, 86535), (486, 83330), (540, 74997), (585, 69228), (641, 63180), (702, 57690), (780, 51921), (810, 49998), (972, 41665), (1053, 38460), (1170, 34614), (1215, 33332), (1282, 31590), (1404, 28845), (1620, 24999), (1755, 23076), (1923, 21060), (2106, 19230), (2340, 17307), (2430, 16666), (2564, 15795), (3159, 12820), (3205, 12636), (3510, 11538), (3846, 10530), (4212, 9615), (4860, 8333), (5265, 7692), (5769, 7020), (6318, 6410)]