77981280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12497}}^1$

素因数の和:12528

約数の個数: 96

約数和(自身を含む): 264557664

約数和(自身を除く): 186576384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 6240, 12497, 24994, 37491, 49988, 62485, 74982, 99976, 124970, 149964, 162461, 187455, 199952, 249940, 299928, 324922, 374910, 399904, 487383, 499880, 599856, 649844, 749820, 812305, 974766, 999760, 1199712, 1299688, 1499640, 1624610, 1949532, 1999520, 2436915, 2599376, 2999280, 3249220, 3899064, 4873830, 5198752, 5998560, 6498440, 7798128, 9747660, 12996880, 15596256, 19495320, 25993760, 38990640, 77981280]

約数ペア:

[(1, 77981280), (2, 38990640), (3, 25993760), (4, 19495320), (5, 15596256), (6, 12996880), (8, 9747660), (10, 7798128), (12, 6498440), (13, 5998560), (15, 5198752), (16, 4873830), (20, 3899064), (24, 3249220), (26, 2999280), (30, 2599376), (32, 2436915), (39, 1999520), (40, 1949532), (48, 1624610), (52, 1499640), (60, 1299688), (65, 1199712), (78, 999760), (80, 974766), (96, 812305), (104, 749820), (120, 649844), (130, 599856), (156, 499880), (160, 487383), (195, 399904), (208, 374910), (240, 324922), (260, 299928), (312, 249940), (390, 199952), (416, 187455), (480, 162461), (520, 149964), (624, 124970), (780, 99976), (1040, 74982), (1248, 62485), (1560, 49988), (2080, 37491), (3120, 24994), (6240, 12497)]