204386720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{463}}^1$

素因数の和:598

約数の個数: 96

約数和(自身を含む): 505128960

約数和(自身を除く): 300742240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 89, 124, 155, 160, 178, 248, 310, 356, 445, 463, 496, 620, 712, 890, 926, 992, 1240, 1424, 1780, 1852, 2315, 2480, 2759, 2848, 3560, 3704, 4630, 4960, 5518, 7120, 7408, 9260, 11036, 13795, 14240, 14353, 14816, 18520, 22072, 27590, 28706, 37040, 41207, 44144, 55180, 57412, 71765, 74080, 82414, 88288, 110360, 114824, 143530, 164828, 206035, 220720, 229648, 287060, 329656, 412070, 441440, 459296, 574120, 659312, 824140, 1148240, 1277417, 1318624, 1648280, 2296480, 2554834, 3296560, 5109668, 6387085, 6593120, 10219336, 12774170, 20438672, 25548340, 40877344, 51096680, 102193360, 204386720]

約数ペア:

[(1, 204386720), (2, 102193360), (4, 51096680), (5, 40877344), (8, 25548340), (10, 20438672), (16, 12774170), (20, 10219336), (31, 6593120), (32, 6387085), (40, 5109668), (62, 3296560), (80, 2554834), (89, 2296480), (124, 1648280), (155, 1318624), (160, 1277417), (178, 1148240), (248, 824140), (310, 659312), (356, 574120), (445, 459296), (463, 441440), (496, 412070), (620, 329656), (712, 287060), (890, 229648), (926, 220720), (992, 206035), (1240, 164828), (1424, 143530), (1780, 114824), (1852, 110360), (2315, 88288), (2480, 82414), (2759, 74080), (2848, 71765), (3560, 57412), (3704, 55180), (4630, 44144), (4960, 41207), (5518, 37040), (7120, 28706), (7408, 27590), (9260, 22072), (11036, 18520), (13795, 14816), (14240, 14353)]