1621154860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{3067}}^1$

素因数の和:3215

約数の個数: 96

約数和(自身を含む): 3896605440

約数和(自身を除く): 2275450580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 107, 130, 190, 214, 247, 260, 380, 428, 494, 535, 988, 1070, 1235, 1391, 2033, 2140, 2470, 2782, 3067, 4066, 4940, 5564, 6134, 6955, 8132, 10165, 12268, 13910, 15335, 20330, 26429, 27820, 30670, 39871, 40660, 52858, 58273, 61340, 79742, 105716, 116546, 132145, 159484, 199355, 233092, 264290, 291365, 328169, 398710, 528580, 582730, 656338, 757549, 797420, 1165460, 1312676, 1515098, 1640845, 3030196, 3281690, 3787745, 4266197, 6235211, 6563380, 7575490, 8532394, 12470422, 15150980, 17064788, 21330985, 24940844, 31176055, 42661970, 62352110, 81057743, 85323940, 124704220, 162115486, 324230972, 405288715, 810577430, 1621154860]

約数ペア:

[(1, 1621154860), (2, 810577430), (4, 405288715), (5, 324230972), (10, 162115486), (13, 124704220), (19, 85323940), (20, 81057743), (26, 62352110), (38, 42661970), (52, 31176055), (65, 24940844), (76, 21330985), (95, 17064788), (107, 15150980), (130, 12470422), (190, 8532394), (214, 7575490), (247, 6563380), (260, 6235211), (380, 4266197), (428, 3787745), (494, 3281690), (535, 3030196), (988, 1640845), (1070, 1515098), (1235, 1312676), (1391, 1165460), (2033, 797420), (2140, 757549), (2470, 656338), (2782, 582730), (3067, 528580), (4066, 398710), (4940, 328169), (5564, 291365), (6134, 264290), (6955, 233092), (8132, 199355), (10165, 159484), (12268, 132145), (13910, 116546), (15335, 105716), (20330, 79742), (26429, 61340), (27820, 58273), (30670, 52858), (39871, 40660)]