131331780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:528

約数の個数: 144

約数和(自身を含む): 420848064

約数和(自身を除く): 289516284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 180, 183, 243, 244, 270, 305, 324, 366, 405, 443, 486, 540, 549, 610, 732, 810, 886, 915, 972, 1098, 1215, 1220, 1329, 1620, 1647, 1772, 1830, 2196, 2215, 2430, 2658, 2745, 3294, 3660, 3987, 4430, 4860, 4941, 5316, 5490, 6588, 6645, 7974, 8235, 8860, 9882, 10980, 11961, 13290, 14823, 15948, 16470, 19764, 19935, 23922, 24705, 26580, 27023, 29646, 32940, 35883, 39870, 47844, 49410, 54046, 59292, 59805, 71766, 74115, 79740, 81069, 98820, 107649, 108092, 119610, 135115, 143532, 148230, 162138, 179415, 215298, 239220, 243207, 270230, 296460, 324276, 358830, 405345, 430596, 486414, 538245, 540460, 717660, 729621, 810690, 972828, 1076490, 1216035, 1459242, 1621380, 2152980, 2188863, 2432070, 2918484, 3648105, 4377726, 4864140, 6566589, 7296210, 8755452, 10944315, 13133178, 14592420, 21888630, 26266356, 32832945, 43777260, 65665890, 131331780]

約数ペア:

[(1, 131331780), (2, 65665890), (3, 43777260), (4, 32832945), (5, 26266356), (6, 21888630), (9, 14592420), (10, 13133178), (12, 10944315), (15, 8755452), (18, 7296210), (20, 6566589), (27, 4864140), (30, 4377726), (36, 3648105), (45, 2918484), (54, 2432070), (60, 2188863), (61, 2152980), (81, 1621380), (90, 1459242), (108, 1216035), (122, 1076490), (135, 972828), (162, 810690), (180, 729621), (183, 717660), (243, 540460), (244, 538245), (270, 486414), (305, 430596), (324, 405345), (366, 358830), (405, 324276), (443, 296460), (486, 270230), (540, 243207), (549, 239220), (610, 215298), (732, 179415), (810, 162138), (886, 148230), (915, 143532), (972, 135115), (1098, 119610), (1215, 108092), (1220, 107649), (1329, 98820), (1620, 81069), (1647, 79740), (1772, 74115), (1830, 71766), (2196, 59805), (2215, 59292), (2430, 54046), (2658, 49410), (2745, 47844), (3294, 39870), (3660, 35883), (3987, 32940), (4430, 29646), (4860, 27023), (4941, 26580), (5316, 24705), (5490, 23922), (6588, 19935), (6645, 19764), (7974, 16470), (8235, 15948), (8860, 14823), (9882, 13290), (10980, 11961)]