644112720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1087}}^1$

素因数の和:1929

約数の個数: 120

約数和(自身を含む): 2167766016

約数和(自身を除く): 1523653296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 823, 1087, 1646, 2174, 2469, 3261, 3292, 4115, 4348, 4938, 5435, 6522, 6584, 7407, 8230, 8696, 9783, 9876, 10870, 12345, 13044, 13168, 14814, 16305, 16460, 17392, 19566, 19752, 21740, 24690, 26088, 29628, 32610, 32920, 37035, 39132, 39504, 43480, 48915, 49380, 52176, 59256, 65220, 65840, 74070, 78264, 86960, 97830, 98760, 118512, 130440, 148140, 156528, 195660, 197520, 260880, 296280, 391320, 592560, 782640, 894601, 1789202, 2683803, 3578404, 4473005, 5367606, 7156808, 8051409, 8946010, 10735212, 13419015, 14313616, 16102818, 17892020, 21470424, 26838030, 32205636, 35784040, 40257045, 42940848, 53676060, 64411272, 71568080, 80514090, 107352120, 128822544, 161028180, 214704240, 322056360, 644112720]

約数ペア:

[(1, 644112720), (2, 322056360), (3, 214704240), (4, 161028180), (5, 128822544), (6, 107352120), (8, 80514090), (9, 71568080), (10, 64411272), (12, 53676060), (15, 42940848), (16, 40257045), (18, 35784040), (20, 32205636), (24, 26838030), (30, 21470424), (36, 17892020), (40, 16102818), (45, 14313616), (48, 13419015), (60, 10735212), (72, 8946010), (80, 8051409), (90, 7156808), (120, 5367606), (144, 4473005), (180, 3578404), (240, 2683803), (360, 1789202), (720, 894601), (823, 782640), (1087, 592560), (1646, 391320), (2174, 296280), (2469, 260880), (3261, 197520), (3292, 195660), (4115, 156528), (4348, 148140), (4938, 130440), (5435, 118512), (6522, 98760), (6584, 97830), (7407, 86960), (8230, 78264), (8696, 74070), (9783, 65840), (9876, 65220), (10870, 59256), (12345, 52176), (13044, 49380), (13168, 48915), (14814, 43480), (16305, 39504), (16460, 39132), (17392, 37035), (19566, 32920), (19752, 32610), (21740, 29628), (24690, 26088)]