1581350580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{61}}^2\times {\mathrm{787}}^1$

素因数の和:927

約数の個数: 144

約数和(自身を含む): 5008086720

約数和(自身を除く): 3426736140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 90, 108, 122, 135, 180, 183, 244, 270, 305, 366, 540, 549, 610, 732, 787, 915, 1098, 1220, 1574, 1647, 1830, 2196, 2361, 2745, 3148, 3294, 3660, 3721, 3935, 4722, 5490, 6588, 7083, 7442, 7870, 8235, 9444, 10980, 11163, 11805, 14166, 14884, 15740, 16470, 18605, 21249, 22326, 23610, 28332, 32940, 33489, 35415, 37210, 42498, 44652, 47220, 48007, 55815, 66978, 70830, 74420, 84996, 96014, 100467, 106245, 111630, 133956, 141660, 144021, 167445, 192028, 200934, 212490, 223260, 240035, 288042, 334890, 401868, 424980, 432063, 480070, 502335, 576084, 669780, 720105, 864126, 960140, 1004670, 1296189, 1440210, 1728252, 2009340, 2160315, 2592378, 2880420, 2928427, 4320630, 5184756, 5856854, 6480945, 8641260, 8785281, 11713708, 12961890, 14642135, 17570562, 25923780, 26355843, 29284270, 35141124, 43926405, 52711686, 58568540, 79067529, 87852810, 105423372, 131779215, 158135058, 175705620, 263558430, 316270116, 395337645, 527116860, 790675290, 1581350580]

約数ペア:

[(1, 1581350580), (2, 790675290), (3, 527116860), (4, 395337645), (5, 316270116), (6, 263558430), (9, 175705620), (10, 158135058), (12, 131779215), (15, 105423372), (18, 87852810), (20, 79067529), (27, 58568540), (30, 52711686), (36, 43926405), (45, 35141124), (54, 29284270), (60, 26355843), (61, 25923780), (90, 17570562), (108, 14642135), (122, 12961890), (135, 11713708), (180, 8785281), (183, 8641260), (244, 6480945), (270, 5856854), (305, 5184756), (366, 4320630), (540, 2928427), (549, 2880420), (610, 2592378), (732, 2160315), (787, 2009340), (915, 1728252), (1098, 1440210), (1220, 1296189), (1574, 1004670), (1647, 960140), (1830, 864126), (2196, 720105), (2361, 669780), (2745, 576084), (3148, 502335), (3294, 480070), (3660, 432063), (3721, 424980), (3935, 401868), (4722, 334890), (5490, 288042), (6588, 240035), (7083, 223260), (7442, 212490), (7870, 200934), (8235, 192028), (9444, 167445), (10980, 144021), (11163, 141660), (11805, 133956), (14166, 111630), (14884, 106245), (15740, 100467), (16470, 96014), (18605, 84996), (21249, 74420), (22326, 70830), (23610, 66978), (28332, 55815), (32940, 48007), (33489, 47220), (35415, 44652), (37210, 42498)]