30878640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3299}}^1$

素因数の和:3331

約数の個数: 120

約数和(自身を含む): 111711600

約数和(自身を除く): 80832960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 3299, 4680, 6598, 9360, 9897, 13196, 16495, 19794, 26392, 29691, 32990, 39588, 42887, 49485, 52784, 59382, 65980, 79176, 85774, 98970, 118764, 128661, 131960, 148455, 158352, 171548, 197940, 214435, 237528, 257322, 263920, 296910, 343096, 385983, 395880, 428870, 475056, 514644, 593820, 643305, 686192, 771966, 791760, 857740, 1029288, 1187640, 1286610, 1543932, 1715480, 1929915, 2058576, 2375280, 2573220, 3087864, 3430960, 3859830, 5146440, 6175728, 7719660, 10292880, 15439320, 30878640]

約数ペア:

[(1, 30878640), (2, 15439320), (3, 10292880), (4, 7719660), (5, 6175728), (6, 5146440), (8, 3859830), (9, 3430960), (10, 3087864), (12, 2573220), (13, 2375280), (15, 2058576), (16, 1929915), (18, 1715480), (20, 1543932), (24, 1286610), (26, 1187640), (30, 1029288), (36, 857740), (39, 791760), (40, 771966), (45, 686192), (48, 643305), (52, 593820), (60, 514644), (65, 475056), (72, 428870), (78, 395880), (80, 385983), (90, 343096), (104, 296910), (117, 263920), (120, 257322), (130, 237528), (144, 214435), (156, 197940), (180, 171548), (195, 158352), (208, 148455), (234, 131960), (240, 128661), (260, 118764), (312, 98970), (360, 85774), (390, 79176), (468, 65980), (520, 59382), (585, 52784), (624, 49485), (720, 42887), (780, 39588), (936, 32990), (1040, 29691), (1170, 26392), (1560, 19794), (1872, 16495), (2340, 13196), (3120, 9897), (3299, 9360), (4680, 6598)]