128496620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 338607360

約数和(自身を除く): 210110740

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 67, 70, 76, 95, 98, 103, 133, 134, 140, 190, 196, 206, 245, 266, 268, 335, 380, 412, 469, 490, 515, 532, 665, 670, 721, 931, 938, 980, 1030, 1273, 1330, 1340, 1442, 1862, 1876, 1957, 2060, 2345, 2546, 2660, 2884, 3283, 3605, 3724, 3914, 4655, 4690, 5047, 5092, 6365, 6566, 6901, 7210, 7828, 8911, 9310, 9380, 9785, 10094, 12730, 13132, 13699, 13802, 14420, 16415, 17822, 18620, 19570, 20188, 25235, 25460, 27398, 27604, 32830, 34505, 35644, 39140, 44555, 48307, 50470, 54796, 62377, 65660, 68495, 69010, 89110, 95893, 96614, 100940, 124754, 131119, 136990, 138020, 178220, 191786, 193228, 241535, 249508, 262238, 273980, 311885, 338149, 383572, 479465, 483070, 524476, 623770, 655595, 676298, 917833, 958930, 966140, 1247540, 1311190, 1352596, 1690745, 1835666, 1917860, 2622380, 3381490, 3671332, 4589165, 6424831, 6762980, 9178330, 12849662, 18356660, 25699324, 32124155, 64248310, 128496620]

約数ペア:

[(1, 128496620), (2, 64248310), (4, 32124155), (5, 25699324), (7, 18356660), (10, 12849662), (14, 9178330), (19, 6762980), (20, 6424831), (28, 4589165), (35, 3671332), (38, 3381490), (49, 2622380), (67, 1917860), (70, 1835666), (76, 1690745), (95, 1352596), (98, 1311190), (103, 1247540), (133, 966140), (134, 958930), (140, 917833), (190, 676298), (196, 655595), (206, 623770), (245, 524476), (266, 483070), (268, 479465), (335, 383572), (380, 338149), (412, 311885), (469, 273980), (490, 262238), (515, 249508), (532, 241535), (665, 193228), (670, 191786), (721, 178220), (931, 138020), (938, 136990), (980, 131119), (1030, 124754), (1273, 100940), (1330, 96614), (1340, 95893), (1442, 89110), (1862, 69010), (1876, 68495), (1957, 65660), (2060, 62377), (2345, 54796), (2546, 50470), (2660, 48307), (2884, 44555), (3283, 39140), (3605, 35644), (3724, 34505), (3914, 32830), (4655, 27604), (4690, 27398), (5047, 25460), (5092, 25235), (6365, 20188), (6566, 19570), (6901, 18620), (7210, 17822), (7828, 16415), (8911, 14420), (9310, 13802), (9380, 13699), (9785, 13132), (10094, 12730)]