71880705

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 146764800

約数和(自身を除く): 74884095

約数列:

[1, 3, 5, 9, 13, 15, 19, 29, 39, 45, 57, 65, 87, 95, 117, 145, 171, 195, 223, 247, 261, 285, 377, 435, 551, 585, 669, 741, 855, 1115, 1131, 1235, 1305, 1653, 1885, 2007, 2223, 2755, 2899, 3345, 3393, 3705, 4237, 4959, 5655, 6467, 7163, 8265, 8697, 10035, 11115, 12711, 14495, 16965, 19401, 21185, 21489, 24795, 26091, 32335, 35815, 38133, 43485, 55081, 58203, 63555, 64467, 84071, 97005, 107445, 122873, 130455, 165243, 190665, 252213, 275405, 291015, 322335, 368619, 420355, 495729, 614365, 756639, 826215, 1105857, 1261065, 1597349, 1843095, 2478645, 3783195, 4792047, 5529285, 7986745, 14376141, 23960235, 71880705]

約数ペア:

[(1, 71880705), (3, 23960235), (5, 14376141), (9, 7986745), (13, 5529285), (15, 4792047), (19, 3783195), (29, 2478645), (39, 1843095), (45, 1597349), (57, 1261065), (65, 1105857), (87, 826215), (95, 756639), (117, 614365), (145, 495729), (171, 420355), (195, 368619), (223, 322335), (247, 291015), (261, 275405), (285, 252213), (377, 190665), (435, 165243), (551, 130455), (585, 122873), (669, 107445), (741, 97005), (855, 84071), (1115, 64467), (1131, 63555), (1235, 58203), (1305, 55081), (1653, 43485), (1885, 38133), (2007, 35815), (2223, 32335), (2755, 26091), (2899, 24795), (3345, 21489), (3393, 21185), (3705, 19401), (4237, 16965), (4959, 14495), (5655, 12711), (6467, 11115), (7163, 10035), (8265, 8697)]