213931620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5477}}^1$

素因数の和:5530

約数の個数: 144

約数和(自身を含む): 765692928

約数和(自身を除く): 551761308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5477, 5580, 6510, 7812, 9765, 10954, 13020, 16431, 19530, 21908, 27385, 32862, 38339, 39060, 49293, 54770, 65724, 76678, 82155, 98586, 109540, 115017, 153356, 164310, 169787, 191695, 197172, 230034, 246465, 328620, 339574, 345051, 383390, 460068, 492930, 509361, 575085, 679148, 690102, 766780, 848935, 985860, 1018722, 1150170, 1188509, 1380204, 1528083, 1697870, 1725255, 2037444, 2300340, 2377018, 2546805, 3056166, 3395740, 3450510, 3565527, 4754036, 5093610, 5942545, 6112332, 6901020, 7131054, 7640415, 10187220, 10696581, 11885090, 14262108, 15280830, 17827635, 21393162, 23770180, 30561660, 35655270, 42786324, 53482905, 71310540, 106965810, 213931620]

約数ペア:

[(1, 213931620), (2, 106965810), (3, 71310540), (4, 53482905), (5, 42786324), (6, 35655270), (7, 30561660), (9, 23770180), (10, 21393162), (12, 17827635), (14, 15280830), (15, 14262108), (18, 11885090), (20, 10696581), (21, 10187220), (28, 7640415), (30, 7131054), (31, 6901020), (35, 6112332), (36, 5942545), (42, 5093610), (45, 4754036), (60, 3565527), (62, 3450510), (63, 3395740), (70, 3056166), (84, 2546805), (90, 2377018), (93, 2300340), (105, 2037444), (124, 1725255), (126, 1697870), (140, 1528083), (155, 1380204), (180, 1188509), (186, 1150170), (210, 1018722), (217, 985860), (252, 848935), (279, 766780), (310, 690102), (315, 679148), (372, 575085), (420, 509361), (434, 492930), (465, 460068), (558, 383390), (620, 345051), (630, 339574), (651, 328620), (868, 246465), (930, 230034), (1085, 197172), (1116, 191695), (1260, 169787), (1302, 164310), (1395, 153356), (1860, 115017), (1953, 109540), (2170, 98586), (2604, 82155), (2790, 76678), (3255, 65724), (3906, 54770), (4340, 49293), (5477, 39060), (5580, 38339), (6510, 32862), (7812, 27385), (9765, 21908), (10954, 19530), (13020, 16431)]