74285440

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 192780000

約数和(自身を除く): 118494560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 128, 149, 152, 160, 164, 190, 205, 298, 304, 320, 328, 380, 410, 596, 608, 640, 656, 745, 760, 779, 820, 1192, 1216, 1312, 1490, 1520, 1558, 1640, 2384, 2432, 2624, 2831, 2980, 3040, 3116, 3280, 3895, 4768, 5248, 5662, 5960, 6080, 6109, 6232, 6560, 7790, 9536, 11324, 11920, 12160, 12218, 12464, 13120, 14155, 15580, 19072, 22648, 23840, 24436, 24928, 26240, 28310, 30545, 31160, 45296, 47680, 48872, 49856, 56620, 61090, 62320, 90592, 95360, 97744, 99712, 113240, 116071, 122180, 124640, 181184, 195488, 226480, 232142, 244360, 249280, 362368, 390976, 452960, 464284, 488720, 498560, 580355, 781952, 905920, 928568, 977440, 1160710, 1811840, 1857136, 1954880, 2321420, 3714272, 3909760, 4642840, 7428544, 9285680, 14857088, 18571360, 37142720, 74285440]

約数ペア:

[(1, 74285440), (2, 37142720), (4, 18571360), (5, 14857088), (8, 9285680), (10, 7428544), (16, 4642840), (19, 3909760), (20, 3714272), (32, 2321420), (38, 1954880), (40, 1857136), (41, 1811840), (64, 1160710), (76, 977440), (80, 928568), (82, 905920), (95, 781952), (128, 580355), (149, 498560), (152, 488720), (160, 464284), (164, 452960), (190, 390976), (205, 362368), (298, 249280), (304, 244360), (320, 232142), (328, 226480), (380, 195488), (410, 181184), (596, 124640), (608, 122180), (640, 116071), (656, 113240), (745, 99712), (760, 97744), (779, 95360), (820, 90592), (1192, 62320), (1216, 61090), (1312, 56620), (1490, 49856), (1520, 48872), (1558, 47680), (1640, 45296), (2384, 31160), (2432, 30545), (2624, 28310), (2831, 26240), (2980, 24928), (3040, 24436), (3116, 23840), (3280, 22648), (3895, 19072), (4768, 15580), (5248, 14155), (5662, 13120), (5960, 12464), (6080, 12218), (6109, 12160), (6232, 11920), (6560, 11324), (7790, 9536)]