121782880

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:660

約数の個数: 96

約数和(自身を含む): 304432128

約数和(自身を除く): 182649248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 80, 86, 124, 155, 160, 172, 215, 248, 310, 344, 430, 496, 571, 620, 688, 860, 992, 1142, 1240, 1333, 1376, 1720, 2284, 2480, 2666, 2855, 3440, 4568, 4960, 5332, 5710, 6665, 6880, 9136, 10664, 11420, 13330, 17701, 18272, 21328, 22840, 24553, 26660, 35402, 42656, 45680, 49106, 53320, 70804, 88505, 91360, 98212, 106640, 122765, 141608, 177010, 196424, 213280, 245530, 283216, 354020, 392848, 491060, 566432, 708040, 761143, 785696, 982120, 1416080, 1522286, 1964240, 2832160, 3044572, 3805715, 3928480, 6089144, 7611430, 12178288, 15222860, 24356576, 30445720, 60891440, 121782880]

約数ペア:

[(1, 121782880), (2, 60891440), (4, 30445720), (5, 24356576), (8, 15222860), (10, 12178288), (16, 7611430), (20, 6089144), (31, 3928480), (32, 3805715), (40, 3044572), (43, 2832160), (62, 1964240), (80, 1522286), (86, 1416080), (124, 982120), (155, 785696), (160, 761143), (172, 708040), (215, 566432), (248, 491060), (310, 392848), (344, 354020), (430, 283216), (496, 245530), (571, 213280), (620, 196424), (688, 177010), (860, 141608), (992, 122765), (1142, 106640), (1240, 98212), (1333, 91360), (1376, 88505), (1720, 70804), (2284, 53320), (2480, 49106), (2666, 45680), (2855, 42656), (3440, 35402), (4568, 26660), (4960, 24553), (5332, 22840), (5710, 21328), (6665, 18272), (6880, 17701), (9136, 13330), (10664, 11420)]