1231546920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{3413}}^1$

素因数の和:3555

約数の個数: 128

約数和(自身を含む): 3854269440

約数和(自身を除く): 2622722520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 97, 120, 124, 155, 186, 194, 248, 291, 310, 372, 388, 465, 485, 582, 620, 744, 776, 930, 970, 1164, 1240, 1455, 1860, 1940, 2328, 2910, 3007, 3413, 3720, 3880, 5820, 6014, 6826, 9021, 10239, 11640, 12028, 13652, 15035, 17065, 18042, 20478, 24056, 27304, 30070, 34130, 36084, 40956, 45105, 51195, 60140, 68260, 72168, 81912, 90210, 102390, 105803, 120280, 136520, 180420, 204780, 211606, 317409, 331061, 360840, 409560, 423212, 529015, 634818, 662122, 846424, 993183, 1058030, 1269636, 1324244, 1587045, 1655305, 1986366, 2116060, 2539272, 2648488, 3174090, 3310610, 3972732, 4232120, 4965915, 6348180, 6621220, 7945464, 9931830, 10262891, 12696360, 13242440, 19863660, 20525782, 30788673, 39727320, 41051564, 51314455, 61577346, 82103128, 102628910, 123154692, 153943365, 205257820, 246309384, 307886730, 410515640, 615773460, 1231546920]

約数ペア:

[(1, 1231546920), (2, 615773460), (3, 410515640), (4, 307886730), (5, 246309384), (6, 205257820), (8, 153943365), (10, 123154692), (12, 102628910), (15, 82103128), (20, 61577346), (24, 51314455), (30, 41051564), (31, 39727320), (40, 30788673), (60, 20525782), (62, 19863660), (93, 13242440), (97, 12696360), (120, 10262891), (124, 9931830), (155, 7945464), (186, 6621220), (194, 6348180), (248, 4965915), (291, 4232120), (310, 3972732), (372, 3310610), (388, 3174090), (465, 2648488), (485, 2539272), (582, 2116060), (620, 1986366), (744, 1655305), (776, 1587045), (930, 1324244), (970, 1269636), (1164, 1058030), (1240, 993183), (1455, 846424), (1860, 662122), (1940, 634818), (2328, 529015), (2910, 423212), (3007, 409560), (3413, 360840), (3720, 331061), (3880, 317409), (5820, 211606), (6014, 204780), (6826, 180420), (9021, 136520), (10239, 120280), (11640, 105803), (12028, 102390), (13652, 90210), (15035, 81912), (17065, 72168), (18042, 68260), (20478, 60140), (24056, 51195), (27304, 45105), (30070, 40956), (34130, 36084)]