15326220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 53893728

約数和(自身を除く): 38567508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 401, 420, 455, 490, 546, 588, 637, 735, 780, 802, 910, 980, 1092, 1203, 1274, 1365, 1470, 1604, 1820, 1911, 2005, 2406, 2548, 2730, 2807, 2940, 3185, 3822, 4010, 4812, 5213, 5460, 5614, 6015, 6370, 7644, 8020, 8421, 9555, 10426, 11228, 12030, 12740, 14035, 15639, 16842, 19110, 19649, 20852, 24060, 26065, 28070, 31278, 33684, 36491, 38220, 39298, 42105, 52130, 56140, 58947, 62556, 72982, 78195, 78596, 84210, 98245, 104260, 109473, 117894, 145964, 156390, 168420, 182455, 196490, 218946, 235788, 255437, 294735, 312780, 364910, 392980, 437892, 510874, 547365, 589470, 729820, 766311, 1021748, 1094730, 1178940, 1277185, 1532622, 2189460, 2554370, 3065244, 3831555, 5108740, 7663110, 15326220]

約数ペア:

[(1, 15326220), (2, 7663110), (3, 5108740), (4, 3831555), (5, 3065244), (6, 2554370), (7, 2189460), (10, 1532622), (12, 1277185), (13, 1178940), (14, 1094730), (15, 1021748), (20, 766311), (21, 729820), (26, 589470), (28, 547365), (30, 510874), (35, 437892), (39, 392980), (42, 364910), (49, 312780), (52, 294735), (60, 255437), (65, 235788), (70, 218946), (78, 196490), (84, 182455), (91, 168420), (98, 156390), (105, 145964), (130, 117894), (140, 109473), (147, 104260), (156, 98245), (182, 84210), (195, 78596), (196, 78195), (210, 72982), (245, 62556), (260, 58947), (273, 56140), (294, 52130), (364, 42105), (390, 39298), (401, 38220), (420, 36491), (455, 33684), (490, 31278), (546, 28070), (588, 26065), (637, 24060), (735, 20852), (780, 19649), (802, 19110), (910, 16842), (980, 15639), (1092, 14035), (1203, 12740), (1274, 12030), (1365, 11228), (1470, 10426), (1604, 9555), (1820, 8421), (1911, 8020), (2005, 7644), (2406, 6370), (2548, 6015), (2730, 5614), (2807, 5460), (2940, 5213), (3185, 4812), (3822, 4010)]