253178240

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1823}}^1$

素因数の和:1880

約数の個数: 128

約数和(自身を含む): 714424320

約数和(自身を除く): 461246080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1823, 1984, 2170, 2240, 2480, 3472, 3646, 3968, 4340, 4480, 4960, 6944, 7292, 8680, 9115, 9920, 12761, 13888, 14584, 17360, 18230, 19840, 25522, 27776, 29168, 34720, 36460, 51044, 56513, 58336, 63805, 69440, 72920, 102088, 113026, 116672, 127610, 138880, 145840, 204176, 226052, 233344, 255220, 282565, 291680, 395591, 408352, 452104, 510440, 565130, 583360, 791182, 816704, 904208, 1020880, 1130260, 1166720, 1582364, 1633408, 1808416, 1977955, 2041760, 2260520, 3164728, 3616832, 3955910, 4083520, 4521040, 6329456, 7233664, 7911820, 8167040, 9042080, 12658912, 15823640, 18084160, 25317824, 31647280, 36168320, 50635648, 63294560, 126589120, 253178240]

約数ペア:

[(1, 253178240), (2, 126589120), (4, 63294560), (5, 50635648), (7, 36168320), (8, 31647280), (10, 25317824), (14, 18084160), (16, 15823640), (20, 12658912), (28, 9042080), (31, 8167040), (32, 7911820), (35, 7233664), (40, 6329456), (56, 4521040), (62, 4083520), (64, 3955910), (70, 3616832), (80, 3164728), (112, 2260520), (124, 2041760), (128, 1977955), (140, 1808416), (155, 1633408), (160, 1582364), (217, 1166720), (224, 1130260), (248, 1020880), (280, 904208), (310, 816704), (320, 791182), (434, 583360), (448, 565130), (496, 510440), (560, 452104), (620, 408352), (640, 395591), (868, 291680), (896, 282565), (992, 255220), (1085, 233344), (1120, 226052), (1240, 204176), (1736, 145840), (1823, 138880), (1984, 127610), (2170, 116672), (2240, 113026), (2480, 102088), (3472, 72920), (3646, 69440), (3968, 63805), (4340, 58336), (4480, 56513), (4960, 51044), (6944, 36460), (7292, 34720), (8680, 29168), (9115, 27776), (9920, 25522), (12761, 19840), (13888, 18230), (14584, 17360)]