78885450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:421

約数の個数: 144

約数和(自身を含む): 246055680

約数和(自身を除く): 167170230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 79, 90, 105, 126, 150, 158, 175, 210, 225, 237, 315, 317, 350, 395, 450, 474, 525, 553, 630, 634, 711, 790, 951, 1050, 1106, 1185, 1422, 1575, 1585, 1659, 1902, 1975, 2219, 2370, 2765, 2853, 3150, 3170, 3318, 3555, 3950, 4438, 4755, 4977, 5530, 5706, 5925, 6657, 7110, 7925, 8295, 9510, 9954, 11095, 11850, 13314, 13825, 14265, 15850, 16590, 17775, 19971, 22190, 23775, 24885, 25043, 27650, 28530, 33285, 35550, 39942, 41475, 47550, 49770, 50086, 55475, 66570, 71325, 75129, 82950, 99855, 110950, 124425, 125215, 142650, 150258, 166425, 175301, 199710, 225387, 248850, 250430, 332850, 350602, 375645, 450774, 499275, 525903, 626075, 751290, 876505, 998550, 1051806, 1126935, 1252150, 1577709, 1753010, 1878225, 2253870, 2629515, 3155418, 3756450, 4382525, 5259030, 5634675, 7888545, 8765050, 11269350, 13147575, 15777090, 26295150, 39442725, 78885450]

約数ペア:

[(1, 78885450), (2, 39442725), (3, 26295150), (5, 15777090), (6, 13147575), (7, 11269350), (9, 8765050), (10, 7888545), (14, 5634675), (15, 5259030), (18, 4382525), (21, 3756450), (25, 3155418), (30, 2629515), (35, 2253870), (42, 1878225), (45, 1753010), (50, 1577709), (63, 1252150), (70, 1126935), (75, 1051806), (79, 998550), (90, 876505), (105, 751290), (126, 626075), (150, 525903), (158, 499275), (175, 450774), (210, 375645), (225, 350602), (237, 332850), (315, 250430), (317, 248850), (350, 225387), (395, 199710), (450, 175301), (474, 166425), (525, 150258), (553, 142650), (630, 125215), (634, 124425), (711, 110950), (790, 99855), (951, 82950), (1050, 75129), (1106, 71325), (1185, 66570), (1422, 55475), (1575, 50086), (1585, 49770), (1659, 47550), (1902, 41475), (1975, 39942), (2219, 35550), (2370, 33285), (2765, 28530), (2853, 27650), (3150, 25043), (3170, 24885), (3318, 23775), (3555, 22190), (3950, 19971), (4438, 17775), (4755, 16590), (4977, 15850), (5530, 14265), (5706, 13825), (5925, 13314), (6657, 11850), (7110, 11095), (7925, 9954), (8295, 9510)]