77645680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2273}}^1$

素因数の和:2354

約数の個数: 80

約数和(自身を含む): 209790144

約数和(自身を除く): 132144464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1708, 2135, 2273, 2440, 3416, 4270, 4546, 4880, 6832, 8540, 9092, 11365, 15911, 17080, 18184, 22730, 31822, 34160, 36368, 45460, 63644, 79555, 90920, 127288, 138653, 159110, 181840, 254576, 277306, 318220, 554612, 636440, 693265, 970571, 1109224, 1272880, 1386530, 1941142, 2218448, 2773060, 3882284, 4852855, 5546120, 7764568, 9705710, 11092240, 15529136, 19411420, 38822840, 77645680]

約数ペア:

[(1, 77645680), (2, 38822840), (4, 19411420), (5, 15529136), (7, 11092240), (8, 9705710), (10, 7764568), (14, 5546120), (16, 4852855), (20, 3882284), (28, 2773060), (35, 2218448), (40, 1941142), (56, 1386530), (61, 1272880), (70, 1109224), (80, 970571), (112, 693265), (122, 636440), (140, 554612), (244, 318220), (280, 277306), (305, 254576), (427, 181840), (488, 159110), (560, 138653), (610, 127288), (854, 90920), (976, 79555), (1220, 63644), (1708, 45460), (2135, 36368), (2273, 34160), (2440, 31822), (3416, 22730), (4270, 18184), (4546, 17080), (4880, 15911), (6832, 11365), (8540, 9092)]