800900880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{256699}}^1$

素因数の和:256728

約数の個数: 80

約数和(自身を含む): 2673787200

約数和(自身を除く): 1872886320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 256699, 513398, 770097, 1026796, 1283495, 1540194, 2053592, 2566990, 3080388, 3337087, 3850485, 4107184, 5133980, 6160776, 6674174, 7700970, 10011261, 10267960, 12321552, 13348348, 15401940, 16685435, 20022522, 20535920, 26696696, 30803880, 33370870, 40045044, 50056305, 53393392, 61607760, 66741740, 80090088, 100112610, 133483480, 160180176, 200225220, 266966960, 400450440, 800900880]

約数ペア:

[(1, 800900880), (2, 400450440), (3, 266966960), (4, 200225220), (5, 160180176), (6, 133483480), (8, 100112610), (10, 80090088), (12, 66741740), (13, 61607760), (15, 53393392), (16, 50056305), (20, 40045044), (24, 33370870), (26, 30803880), (30, 26696696), (39, 20535920), (40, 20022522), (48, 16685435), (52, 15401940), (60, 13348348), (65, 12321552), (78, 10267960), (80, 10011261), (104, 7700970), (120, 6674174), (130, 6160776), (156, 5133980), (195, 4107184), (208, 3850485), (240, 3337087), (260, 3080388), (312, 2566990), (390, 2053592), (520, 1540194), (624, 1283495), (780, 1026796), (1040, 770097), (1560, 513398), (3120, 256699)]