78286120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{983}}^1$

素因数の和:1186

約数の個数: 64

約数和(自身を含む): 193415040

約数和(自身を除く): 115128920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 181, 220, 362, 440, 724, 905, 983, 1448, 1810, 1966, 1991, 3620, 3932, 3982, 4915, 7240, 7864, 7964, 9830, 9955, 10813, 15928, 19660, 19910, 21626, 39320, 39820, 43252, 54065, 79640, 86504, 108130, 177923, 216260, 355846, 432520, 711692, 889615, 1423384, 1779230, 1957153, 3558460, 3914306, 7116920, 7828612, 9785765, 15657224, 19571530, 39143060, 78286120]

約数ペア:

[(1, 78286120), (2, 39143060), (4, 19571530), (5, 15657224), (8, 9785765), (10, 7828612), (11, 7116920), (20, 3914306), (22, 3558460), (40, 1957153), (44, 1779230), (55, 1423384), (88, 889615), (110, 711692), (181, 432520), (220, 355846), (362, 216260), (440, 177923), (724, 108130), (905, 86504), (983, 79640), (1448, 54065), (1810, 43252), (1966, 39820), (1991, 39320), (3620, 21626), (3932, 19910), (3982, 19660), (4915, 15928), (7240, 10813), (7864, 9955), (7964, 9830)]