56890890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1025

約数の個数: 128

約数和(自身を含む): 179159040

約数和(自身を除く): 122268150

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 90, 93, 105, 126, 135, 155, 186, 189, 210, 217, 270, 279, 310, 315, 378, 434, 465, 558, 630, 651, 837, 930, 945, 971, 1085, 1302, 1395, 1674, 1890, 1942, 1953, 2170, 2790, 2913, 3255, 3906, 4185, 4855, 5826, 5859, 6510, 6797, 8370, 8739, 9710, 9765, 11718, 13594, 14565, 17478, 19530, 20391, 26217, 29130, 29295, 30101, 33985, 40782, 43695, 52434, 58590, 60202, 61173, 67970, 87390, 90303, 101955, 122346, 131085, 150505, 180606, 183519, 203910, 210707, 262170, 270909, 301010, 305865, 367038, 421414, 451515, 541818, 611730, 632121, 812727, 903030, 917595, 1053535, 1264242, 1354545, 1625454, 1835190, 1896363, 2107070, 2709090, 3160605, 3792726, 4063635, 5689089, 6321210, 8127270, 9481815, 11378178, 18963630, 28445445, 56890890]

約数ペア:

[(1, 56890890), (2, 28445445), (3, 18963630), (5, 11378178), (6, 9481815), (7, 8127270), (9, 6321210), (10, 5689089), (14, 4063635), (15, 3792726), (18, 3160605), (21, 2709090), (27, 2107070), (30, 1896363), (31, 1835190), (35, 1625454), (42, 1354545), (45, 1264242), (54, 1053535), (62, 917595), (63, 903030), (70, 812727), (90, 632121), (93, 611730), (105, 541818), (126, 451515), (135, 421414), (155, 367038), (186, 305865), (189, 301010), (210, 270909), (217, 262170), (270, 210707), (279, 203910), (310, 183519), (315, 180606), (378, 150505), (434, 131085), (465, 122346), (558, 101955), (630, 90303), (651, 87390), (837, 67970), (930, 61173), (945, 60202), (971, 58590), (1085, 52434), (1302, 43695), (1395, 40782), (1674, 33985), (1890, 30101), (1942, 29295), (1953, 29130), (2170, 26217), (2790, 20391), (2913, 19530), (3255, 17478), (3906, 14565), (4185, 13594), (4855, 11718), (5826, 9765), (5859, 9710), (6510, 8739), (6797, 8370)]