18611923840

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{40787}}^1$

素因数の和:40860

約数の個数: 128

約数和(自身を含む): 47927531520

約数和(自身を除く): 29315607680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 128, 155, 160, 184, 230, 248, 310, 320, 368, 460, 496, 620, 640, 713, 736, 920, 992, 1240, 1426, 1472, 1840, 1984, 2480, 2852, 2944, 3565, 3680, 3968, 4960, 5704, 7130, 7360, 9920, 11408, 14260, 14720, 19840, 22816, 28520, 40787, 45632, 57040, 81574, 91264, 114080, 163148, 203935, 228160, 326296, 407870, 456320, 652592, 815740, 938101, 1264397, 1305184, 1631480, 1876202, 2528794, 2610368, 3262960, 3752404, 4690505, 5057588, 5220736, 6321985, 6525920, 7504808, 9381010, 10115176, 12643970, 13051840, 15009616, 18762020, 20230352, 25287940, 26103680, 29081131, 30019232, 37524040, 40460704, 50575880, 58162262, 60038464, 75048080, 80921408, 101151760, 116324524, 120076928, 145405655, 150096160, 161842816, 202303520, 232649048, 290811310, 300192320, 404607040, 465298096, 581622620, 600384640, 809214080, 930596192, 1163245240, 1861192384, 2326490480, 3722384768, 4652980960, 9305961920, 18611923840]

約数ペア:

[(1, 18611923840), (2, 9305961920), (4, 4652980960), (5, 3722384768), (8, 2326490480), (10, 1861192384), (16, 1163245240), (20, 930596192), (23, 809214080), (31, 600384640), (32, 581622620), (40, 465298096), (46, 404607040), (62, 300192320), (64, 290811310), (80, 232649048), (92, 202303520), (115, 161842816), (124, 150096160), (128, 145405655), (155, 120076928), (160, 116324524), (184, 101151760), (230, 80921408), (248, 75048080), (310, 60038464), (320, 58162262), (368, 50575880), (460, 40460704), (496, 37524040), (620, 30019232), (640, 29081131), (713, 26103680), (736, 25287940), (920, 20230352), (992, 18762020), (1240, 15009616), (1426, 13051840), (1472, 12643970), (1840, 10115176), (1984, 9381010), (2480, 7504808), (2852, 6525920), (2944, 6321985), (3565, 5220736), (3680, 5057588), (3968, 4690505), (4960, 3752404), (5704, 3262960), (7130, 2610368), (7360, 2528794), (9920, 1876202), (11408, 1631480), (14260, 1305184), (14720, 1264397), (19840, 938101), (22816, 815740), (28520, 652592), (40787, 456320), (45632, 407870), (57040, 326296), (81574, 228160), (91264, 203935), (114080, 163148)]