78357825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 178738560

約数和(自身を除く): 100380735

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 35, 39, 43, 45, 63, 65, 75, 89, 91, 105, 117, 129, 175, 195, 215, 225, 267, 273, 301, 315, 325, 387, 445, 455, 525, 559, 585, 623, 645, 801, 819, 903, 975, 1075, 1157, 1335, 1365, 1505, 1575, 1677, 1869, 1935, 2225, 2275, 2709, 2795, 2925, 3115, 3225, 3471, 3827, 3913, 4005, 4095, 4515, 5031, 5607, 5785, 6675, 6825, 7525, 8099, 8385, 9345, 9675, 10413, 11481, 11739, 13545, 13975, 15575, 17355, 19135, 19565, 20025, 20475, 22575, 24297, 25155, 26789, 28035, 28925, 34443, 35217, 40495, 41925, 46725, 49751, 52065, 57405, 58695, 67725, 72891, 80367, 86775, 95675, 97825, 121485, 125775, 133945, 140175, 149253, 172215, 176085, 202475, 241101, 248755, 260325, 287025, 293475, 348257, 364455, 401835, 447759, 607425, 669725, 746265, 861075, 880425, 1044771, 1205505, 1243775, 1741285, 1822275, 2009175, 2238795, 3134313, 3731325, 5223855, 6027525, 8706425, 11193975, 15671565, 26119275, 78357825]

約数ペア:

[(1, 78357825), (3, 26119275), (5, 15671565), (7, 11193975), (9, 8706425), (13, 6027525), (15, 5223855), (21, 3731325), (25, 3134313), (35, 2238795), (39, 2009175), (43, 1822275), (45, 1741285), (63, 1243775), (65, 1205505), (75, 1044771), (89, 880425), (91, 861075), (105, 746265), (117, 669725), (129, 607425), (175, 447759), (195, 401835), (215, 364455), (225, 348257), (267, 293475), (273, 287025), (301, 260325), (315, 248755), (325, 241101), (387, 202475), (445, 176085), (455, 172215), (525, 149253), (559, 140175), (585, 133945), (623, 125775), (645, 121485), (801, 97825), (819, 95675), (903, 86775), (975, 80367), (1075, 72891), (1157, 67725), (1335, 58695), (1365, 57405), (1505, 52065), (1575, 49751), (1677, 46725), (1869, 41925), (1935, 40495), (2225, 35217), (2275, 34443), (2709, 28925), (2795, 28035), (2925, 26789), (3115, 25155), (3225, 24297), (3471, 22575), (3827, 20475), (3913, 20025), (4005, 19565), (4095, 19135), (4515, 17355), (5031, 15575), (5607, 13975), (5785, 13545), (6675, 11739), (6825, 11481), (7525, 10413), (8099, 9675), (8385, 9345)]