261763320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23971}}^1$

素因数の和:24005

約数の個数: 128

約数和(自身を含む): 966551040

約数和(自身を除く): 704787720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 23971, 47942, 71913, 95884, 119855, 143826, 167797, 191768, 239710, 287652, 311623, 335594, 359565, 479420, 503391, 575304, 623246, 671188, 719130, 838985, 934869, 958840, 1006782, 1246492, 1342376, 1438260, 1558115, 1677970, 1869738, 2013564, 2181361, 2492984, 2516955, 2876520, 3116230, 3355940, 3739476, 4027128, 4362722, 4674345, 5033910, 6232460, 6544083, 6711880, 7478952, 8725444, 9348690, 10067820, 10906805, 12464920, 13088166, 17450888, 18697380, 20135640, 21813610, 26176332, 32720415, 37394760, 43627220, 52352664, 65440830, 87254440, 130881660, 261763320]

約数ペア:

[(1, 261763320), (2, 130881660), (3, 87254440), (4, 65440830), (5, 52352664), (6, 43627220), (7, 37394760), (8, 32720415), (10, 26176332), (12, 21813610), (13, 20135640), (14, 18697380), (15, 17450888), (20, 13088166), (21, 12464920), (24, 10906805), (26, 10067820), (28, 9348690), (30, 8725444), (35, 7478952), (39, 6711880), (40, 6544083), (42, 6232460), (52, 5033910), (56, 4674345), (60, 4362722), (65, 4027128), (70, 3739476), (78, 3355940), (84, 3116230), (91, 2876520), (104, 2516955), (105, 2492984), (120, 2181361), (130, 2013564), (140, 1869738), (156, 1677970), (168, 1558115), (182, 1438260), (195, 1342376), (210, 1246492), (260, 1006782), (273, 958840), (280, 934869), (312, 838985), (364, 719130), (390, 671188), (420, 623246), (455, 575304), (520, 503391), (546, 479420), (728, 359565), (780, 335594), (840, 311623), (910, 287652), (1092, 239710), (1365, 191768), (1560, 167797), (1820, 143826), (2184, 119855), (2730, 95884), (3640, 71913), (5460, 47942), (10920, 23971)]