71687680

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^1\times {\mathrm{683}}^1$

素因数の和:747

約数の個数: 80

約数和(自身を含む): 176332464

約数和(自身を除く): 104644784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 512, 640, 656, 683, 820, 1280, 1312, 1366, 1640, 2560, 2624, 2732, 3280, 3415, 5248, 5464, 6560, 6830, 10496, 10928, 13120, 13660, 20992, 21856, 26240, 27320, 28003, 43712, 52480, 54640, 56006, 87424, 104960, 109280, 112012, 140015, 174848, 218560, 224024, 280030, 349696, 437120, 448048, 560060, 874240, 896096, 1120120, 1748480, 1792192, 2240240, 3584384, 4480480, 7168768, 8960960, 14337536, 17921920, 35843840, 71687680]

約数ペア:

[(1, 71687680), (2, 35843840), (4, 17921920), (5, 14337536), (8, 8960960), (10, 7168768), (16, 4480480), (20, 3584384), (32, 2240240), (40, 1792192), (41, 1748480), (64, 1120120), (80, 896096), (82, 874240), (128, 560060), (160, 448048), (164, 437120), (205, 349696), (256, 280030), (320, 224024), (328, 218560), (410, 174848), (512, 140015), (640, 112012), (656, 109280), (683, 104960), (820, 87424), (1280, 56006), (1312, 54640), (1366, 52480), (1640, 43712), (2560, 28003), (2624, 27320), (2732, 26240), (3280, 21856), (3415, 20992), (5248, 13660), (5464, 13120), (6560, 10928), (6830, 10496)]