4378920

素因数分解:

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

素因数の和:435

約数の個数: 128

約数和(自身を含む): 16208640

約数和(自身を除く): 11829720

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, 401, 420, 455, 520, 546, 728, 780, 802, 840, 910, 1092, 1203, 1365, 1560, 1604, 1820, 2005, 2184, 2406, 2730, 2807, 3208, 3640, 4010, 4812, 5213, 5460, 5614, 6015, 8020, 8421, 9624, 10426, 10920, 11228, 12030, 14035, 15639, 16040, 16842, 20852, 22456, 24060, 26065, 28070, 31278, 33684, 36491, 41704, 42105, 48120, 52130, 56140, 62556, 67368, 72982, 78195, 84210, 104260, 109473, 112280, 125112, 145964, 156390, 168420, 182455, 208520, 218946, 291928, 312780, 336840, 364910, 437892, 547365, 625560, 729820, 875784, 1094730, 1459640, 2189460, 4378920]

約数ペア:

[(1, 4378920), (2, 2189460), (3, 1459640), (4, 1094730), (5, 875784), (6, 729820), (7, 625560), (8, 547365), (10, 437892), (12, 364910), (13, 336840), (14, 312780), (15, 291928), (20, 218946), (21, 208520), (24, 182455), (26, 168420), (28, 156390), (30, 145964), (35, 125112), (39, 112280), (40, 109473), (42, 104260), (52, 84210), (56, 78195), (60, 72982), (65, 67368), (70, 62556), (78, 56140), (84, 52130), (91, 48120), (104, 42105), (105, 41704), (120, 36491), (130, 33684), (140, 31278), (156, 28070), (168, 26065), (182, 24060), (195, 22456), (210, 20852), (260, 16842), (273, 16040), (280, 15639), (312, 14035), (364, 12030), (390, 11228), (401, 10920), (420, 10426), (455, 9624), (520, 8421), (546, 8020), (728, 6015), (780, 5614), (802, 5460), (840, 5213), (910, 4812), (1092, 4010), (1203, 3640), (1365, 3208), (1560, 2807), (1604, 2730), (1820, 2406), (2005, 2184)]