49728420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:730

約数の個数: 144

約数和(自身を含む): 175488768

約数和(自身を除く): 125760348

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 647, 732, 854, 915, 1098, 1220, 1260, 1281, 1294, 1708, 1830, 1941, 2135, 2196, 2562, 2588, 2745, 3235, 3660, 3843, 3882, 4270, 4529, 5124, 5490, 5823, 6405, 6470, 7686, 7764, 8540, 9058, 9705, 10980, 11646, 12810, 12940, 13587, 15372, 18116, 19215, 19410, 22645, 23292, 25620, 27174, 29115, 38430, 38820, 39467, 40761, 45290, 54348, 58230, 67935, 76860, 78934, 81522, 90580, 116460, 118401, 135870, 157868, 163044, 197335, 203805, 236802, 271740, 276269, 355203, 394670, 407610, 473604, 552538, 592005, 710406, 789340, 815220, 828807, 1105076, 1184010, 1381345, 1420812, 1657614, 1776015, 2368020, 2486421, 2762690, 3315228, 3552030, 4144035, 4972842, 5525380, 7104060, 8288070, 9945684, 12432105, 16576140, 24864210, 49728420]

約数ペア:

[(1, 49728420), (2, 24864210), (3, 16576140), (4, 12432105), (5, 9945684), (6, 8288070), (7, 7104060), (9, 5525380), (10, 4972842), (12, 4144035), (14, 3552030), (15, 3315228), (18, 2762690), (20, 2486421), (21, 2368020), (28, 1776015), (30, 1657614), (35, 1420812), (36, 1381345), (42, 1184010), (45, 1105076), (60, 828807), (61, 815220), (63, 789340), (70, 710406), (84, 592005), (90, 552538), (105, 473604), (122, 407610), (126, 394670), (140, 355203), (180, 276269), (183, 271740), (210, 236802), (244, 203805), (252, 197335), (305, 163044), (315, 157868), (366, 135870), (420, 118401), (427, 116460), (549, 90580), (610, 81522), (630, 78934), (647, 76860), (732, 67935), (854, 58230), (915, 54348), (1098, 45290), (1220, 40761), (1260, 39467), (1281, 38820), (1294, 38430), (1708, 29115), (1830, 27174), (1941, 25620), (2135, 23292), (2196, 22645), (2562, 19410), (2588, 19215), (2745, 18116), (3235, 15372), (3660, 13587), (3843, 12940), (3882, 12810), (4270, 11646), (4529, 10980), (5124, 9705), (5490, 9058), (5823, 8540), (6405, 7764), (6470, 7686)]