427869440

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 1087865856

約数和(自身を除く): 659996416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 205, 248, 256, 263, 310, 320, 328, 410, 496, 526, 620, 640, 656, 820, 992, 1052, 1240, 1271, 1280, 1312, 1315, 1640, 1984, 2104, 2480, 2542, 2624, 2630, 3280, 3968, 4208, 4960, 5084, 5248, 5260, 6355, 6560, 7936, 8153, 8416, 9920, 10168, 10496, 10520, 10783, 12710, 13120, 16306, 16832, 19840, 20336, 21040, 21566, 25420, 26240, 32612, 33664, 39680, 40672, 40765, 42080, 43132, 50840, 52480, 53915, 65224, 67328, 81344, 81530, 84160, 86264, 101680, 107830, 130448, 162688, 163060, 168320, 172528, 203360, 215660, 260896, 325376, 326120, 334273, 336640, 345056, 406720, 431320, 521792, 652240, 668546, 690112, 813440, 862640, 1043584, 1304480, 1337092, 1380224, 1626880, 1671365, 1725280, 2087168, 2608960, 2674184, 2760448, 3342730, 3450560, 5217920, 5348368, 6685460, 6901120, 10435840, 10696736, 13370920, 13802240, 21393472, 26741840, 42786944, 53483680, 85573888, 106967360, 213934720, 427869440]

約数ペア:

[(1, 427869440), (2, 213934720), (4, 106967360), (5, 85573888), (8, 53483680), (10, 42786944), (16, 26741840), (20, 21393472), (31, 13802240), (32, 13370920), (40, 10696736), (41, 10435840), (62, 6901120), (64, 6685460), (80, 5348368), (82, 5217920), (124, 3450560), (128, 3342730), (155, 2760448), (160, 2674184), (164, 2608960), (205, 2087168), (248, 1725280), (256, 1671365), (263, 1626880), (310, 1380224), (320, 1337092), (328, 1304480), (410, 1043584), (496, 862640), (526, 813440), (620, 690112), (640, 668546), (656, 652240), (820, 521792), (992, 431320), (1052, 406720), (1240, 345056), (1271, 336640), (1280, 334273), (1312, 326120), (1315, 325376), (1640, 260896), (1984, 215660), (2104, 203360), (2480, 172528), (2542, 168320), (2624, 163060), (2630, 162688), (3280, 130448), (3968, 107830), (4208, 101680), (4960, 86264), (5084, 84160), (5248, 81530), (5260, 81344), (6355, 67328), (6560, 65224), (7936, 53915), (8153, 52480), (8416, 50840), (9920, 43132), (10168, 42080), (10496, 40765), (10520, 40672), (10783, 39680), (12710, 33664), (13120, 32612), (16306, 26240), (16832, 25420), (19840, 21566), (20336, 21040)]