168178920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15401}}^1$

素因数の和:15435

約数の個数: 128

約数和(自身を含む): 621008640

約数和(自身を除く): 452829720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 15401, 30802, 46203, 61604, 77005, 92406, 107807, 123208, 154010, 184812, 200213, 215614, 231015, 308020, 323421, 369624, 400426, 431228, 462030, 539035, 600639, 616040, 646842, 800852, 862456, 924060, 1001065, 1078070, 1201278, 1293684, 1401491, 1601704, 1617105, 1848120, 2002130, 2156140, 2402556, 2587368, 2802982, 3003195, 3234210, 4004260, 4204473, 4312280, 4805112, 5605964, 6006390, 6468420, 7007455, 8008520, 8408946, 11211928, 12012780, 12936840, 14014910, 16817892, 21022365, 24025560, 28029820, 33635784, 42044730, 56059640, 84089460, 168178920]

約数ペア:

[(1, 168178920), (2, 84089460), (3, 56059640), (4, 42044730), (5, 33635784), (6, 28029820), (7, 24025560), (8, 21022365), (10, 16817892), (12, 14014910), (13, 12936840), (14, 12012780), (15, 11211928), (20, 8408946), (21, 8008520), (24, 7007455), (26, 6468420), (28, 6006390), (30, 5605964), (35, 4805112), (39, 4312280), (40, 4204473), (42, 4004260), (52, 3234210), (56, 3003195), (60, 2802982), (65, 2587368), (70, 2402556), (78, 2156140), (84, 2002130), (91, 1848120), (104, 1617105), (105, 1601704), (120, 1401491), (130, 1293684), (140, 1201278), (156, 1078070), (168, 1001065), (182, 924060), (195, 862456), (210, 800852), (260, 646842), (273, 616040), (280, 600639), (312, 539035), (364, 462030), (390, 431228), (420, 400426), (455, 369624), (520, 323421), (546, 308020), (728, 231015), (780, 215614), (840, 200213), (910, 184812), (1092, 154010), (1365, 123208), (1560, 107807), (1820, 92406), (2184, 77005), (2730, 61604), (3640, 46203), (5460, 30802), (10920, 15401)]