80272620

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 256838400

約数和(自身を除く): 176565780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 83, 90, 108, 135, 162, 166, 180, 199, 243, 249, 270, 324, 332, 398, 405, 415, 486, 498, 540, 597, 747, 796, 810, 830, 972, 995, 996, 1194, 1215, 1245, 1494, 1620, 1660, 1791, 1990, 2241, 2388, 2430, 2490, 2985, 2988, 3582, 3735, 3980, 4482, 4860, 4980, 5373, 5970, 6723, 7164, 7470, 8955, 8964, 10746, 11205, 11940, 13446, 14940, 16119, 16517, 17910, 20169, 21492, 22410, 26865, 26892, 32238, 33034, 33615, 35820, 40338, 44820, 48357, 49551, 53730, 64476, 66068, 67230, 80595, 80676, 82585, 96714, 99102, 100845, 107460, 134460, 148653, 161190, 165170, 193428, 198204, 201690, 241785, 247755, 297306, 322380, 330340, 403380, 445959, 483570, 495510, 594612, 743265, 891918, 967140, 991020, 1337877, 1486530, 1783836, 2229795, 2675754, 2973060, 4013631, 4459590, 5351508, 6689385, 8027262, 8919180, 13378770, 16054524, 20068155, 26757540, 40136310, 80272620]

約数ペア:

[(1, 80272620), (2, 40136310), (3, 26757540), (4, 20068155), (5, 16054524), (6, 13378770), (9, 8919180), (10, 8027262), (12, 6689385), (15, 5351508), (18, 4459590), (20, 4013631), (27, 2973060), (30, 2675754), (36, 2229795), (45, 1783836), (54, 1486530), (60, 1337877), (81, 991020), (83, 967140), (90, 891918), (108, 743265), (135, 594612), (162, 495510), (166, 483570), (180, 445959), (199, 403380), (243, 330340), (249, 322380), (270, 297306), (324, 247755), (332, 241785), (398, 201690), (405, 198204), (415, 193428), (486, 165170), (498, 161190), (540, 148653), (597, 134460), (747, 107460), (796, 100845), (810, 99102), (830, 96714), (972, 82585), (995, 80676), (996, 80595), (1194, 67230), (1215, 66068), (1245, 64476), (1494, 53730), (1620, 49551), (1660, 48357), (1791, 44820), (1990, 40338), (2241, 35820), (2388, 33615), (2430, 33034), (2490, 32238), (2985, 26892), (2988, 26865), (3582, 22410), (3735, 21492), (3980, 20169), (4482, 17910), (4860, 16517), (4980, 16119), (5373, 14940), (5970, 13446), (6723, 11940), (7164, 11205), (7470, 10746), (8955, 8964)]