251761020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4507}}^1$

素因数の和:4552

約数の個数: 144

約数和(自身を含む): 863372160

約数和(自身を除く): 611611140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2660, 2793, 2940, 3724, 3990, 4507, 4655, 5586, 7980, 9014, 9310, 11172, 13521, 13965, 18028, 18620, 22535, 27042, 27930, 31549, 45070, 54084, 55860, 63098, 67605, 85633, 90140, 94647, 126196, 135210, 157745, 171266, 189294, 220843, 256899, 270420, 315490, 342532, 378588, 428165, 441686, 473235, 513798, 599431, 630980, 662529, 856330, 883372, 946470, 1027596, 1104215, 1198862, 1284495, 1325058, 1712660, 1798293, 1892940, 2208430, 2397724, 2568990, 2650116, 2997155, 3312645, 3596586, 4196017, 4416860, 5137980, 5994310, 6625290, 7193172, 8392034, 8991465, 11988620, 12588051, 13250580, 16784068, 17982930, 20980085, 25176102, 35965860, 41960170, 50352204, 62940255, 83920340, 125880510, 251761020]

約数ペア:

[(1, 251761020), (2, 125880510), (3, 83920340), (4, 62940255), (5, 50352204), (6, 41960170), (7, 35965860), (10, 25176102), (12, 20980085), (14, 17982930), (15, 16784068), (19, 13250580), (20, 12588051), (21, 11988620), (28, 8991465), (30, 8392034), (35, 7193172), (38, 6625290), (42, 5994310), (49, 5137980), (57, 4416860), (60, 4196017), (70, 3596586), (76, 3312645), (84, 2997155), (95, 2650116), (98, 2568990), (105, 2397724), (114, 2208430), (133, 1892940), (140, 1798293), (147, 1712660), (190, 1325058), (196, 1284495), (210, 1198862), (228, 1104215), (245, 1027596), (266, 946470), (285, 883372), (294, 856330), (380, 662529), (399, 630980), (420, 599431), (490, 513798), (532, 473235), (570, 441686), (588, 428165), (665, 378588), (735, 342532), (798, 315490), (931, 270420), (980, 256899), (1140, 220843), (1330, 189294), (1470, 171266), (1596, 157745), (1862, 135210), (1995, 126196), (2660, 94647), (2793, 90140), (2940, 85633), (3724, 67605), (3990, 63098), (4507, 55860), (4655, 54084), (5586, 45070), (7980, 31549), (9014, 27930), (9310, 27042), (11172, 22535), (13521, 18620), (13965, 18028)]