31873920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1277}}^1$

素因数の和:1312

約数の個数: 128

約数和(自身を含む): 109499040

約数和(自身を除く): 77625120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1277, 1560, 1664, 1920, 2080, 2496, 2554, 3120, 3831, 4160, 4992, 5108, 6240, 6385, 7662, 8320, 10216, 12480, 12770, 15324, 16601, 19155, 20432, 24960, 25540, 30648, 33202, 38310, 40864, 49803, 51080, 61296, 66404, 76620, 81728, 83005, 99606, 102160, 122592, 132808, 153240, 163456, 166010, 199212, 204320, 245184, 249015, 265616, 306480, 332020, 398424, 408640, 490368, 498030, 531232, 612960, 664040, 796848, 817280, 996060, 1062464, 1225920, 1328080, 1593696, 1992120, 2124928, 2451840, 2656160, 3187392, 3984240, 5312320, 6374784, 7968480, 10624640, 15936960, 31873920]

約数ペア:

[(1, 31873920), (2, 15936960), (3, 10624640), (4, 7968480), (5, 6374784), (6, 5312320), (8, 3984240), (10, 3187392), (12, 2656160), (13, 2451840), (15, 2124928), (16, 1992120), (20, 1593696), (24, 1328080), (26, 1225920), (30, 1062464), (32, 996060), (39, 817280), (40, 796848), (48, 664040), (52, 612960), (60, 531232), (64, 498030), (65, 490368), (78, 408640), (80, 398424), (96, 332020), (104, 306480), (120, 265616), (128, 249015), (130, 245184), (156, 204320), (160, 199212), (192, 166010), (195, 163456), (208, 153240), (240, 132808), (260, 122592), (312, 102160), (320, 99606), (384, 83005), (390, 81728), (416, 76620), (480, 66404), (520, 61296), (624, 51080), (640, 49803), (780, 40864), (832, 38310), (960, 33202), (1040, 30648), (1248, 25540), (1277, 24960), (1560, 20432), (1664, 19155), (1920, 16601), (2080, 15324), (2496, 12770), (2554, 12480), (3120, 10216), (3831, 8320), (4160, 7662), (4992, 6385), (5108, 6240)]