66412720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{463}}^1$

素因数の和:650

約数の個数: 80

約数和(自身を含む): 169846272

約数和(自身を除く): 103433552

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 163, 176, 220, 326, 440, 463, 652, 815, 880, 926, 1304, 1630, 1793, 1852, 2315, 2608, 3260, 3586, 3704, 4630, 5093, 6520, 7172, 7408, 8965, 9260, 10186, 13040, 14344, 17930, 18520, 20372, 25465, 28688, 35860, 37040, 40744, 50930, 71720, 75469, 81488, 101860, 143440, 150938, 203720, 301876, 377345, 407440, 603752, 754690, 830159, 1207504, 1509380, 1660318, 3018760, 3320636, 4150795, 6037520, 6641272, 8301590, 13282544, 16603180, 33206360, 66412720]

約数ペア:

[(1, 66412720), (2, 33206360), (4, 16603180), (5, 13282544), (8, 8301590), (10, 6641272), (11, 6037520), (16, 4150795), (20, 3320636), (22, 3018760), (40, 1660318), (44, 1509380), (55, 1207504), (80, 830159), (88, 754690), (110, 603752), (163, 407440), (176, 377345), (220, 301876), (326, 203720), (440, 150938), (463, 143440), (652, 101860), (815, 81488), (880, 75469), (926, 71720), (1304, 50930), (1630, 40744), (1793, 37040), (1852, 35860), (2315, 28688), (2608, 25465), (3260, 20372), (3586, 18520), (3704, 17930), (4630, 14344), (5093, 13040), (6520, 10186), (7172, 9260), (7408, 8965)]