12015780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 40372416

約数和(自身を除く): 28356636

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 61, 67, 70, 84, 98, 105, 122, 134, 140, 147, 183, 196, 201, 210, 244, 245, 268, 294, 305, 335, 366, 402, 420, 427, 469, 490, 588, 610, 670, 732, 735, 804, 854, 915, 938, 980, 1005, 1220, 1281, 1340, 1407, 1470, 1708, 1830, 1876, 2010, 2135, 2345, 2562, 2814, 2940, 2989, 3283, 3660, 4020, 4087, 4270, 4690, 5124, 5628, 5978, 6405, 6566, 7035, 8174, 8540, 8967, 9380, 9849, 11956, 12261, 12810, 13132, 14070, 14945, 16348, 16415, 17934, 19698, 20435, 24522, 25620, 28140, 28609, 29890, 32830, 35868, 39396, 40870, 44835, 49044, 49245, 57218, 59780, 61305, 65660, 81740, 85827, 89670, 98490, 114436, 122610, 143045, 171654, 179340, 196980, 200263, 245220, 286090, 343308, 400526, 429135, 572180, 600789, 801052, 858270, 1001315, 1201578, 1716540, 2002630, 2403156, 3003945, 4005260, 6007890, 12015780]

約数ペア:

[(1, 12015780), (2, 6007890), (3, 4005260), (4, 3003945), (5, 2403156), (6, 2002630), (7, 1716540), (10, 1201578), (12, 1001315), (14, 858270), (15, 801052), (20, 600789), (21, 572180), (28, 429135), (30, 400526), (35, 343308), (42, 286090), (49, 245220), (60, 200263), (61, 196980), (67, 179340), (70, 171654), (84, 143045), (98, 122610), (105, 114436), (122, 98490), (134, 89670), (140, 85827), (147, 81740), (183, 65660), (196, 61305), (201, 59780), (210, 57218), (244, 49245), (245, 49044), (268, 44835), (294, 40870), (305, 39396), (335, 35868), (366, 32830), (402, 29890), (420, 28609), (427, 28140), (469, 25620), (490, 24522), (588, 20435), (610, 19698), (670, 17934), (732, 16415), (735, 16348), (804, 14945), (854, 14070), (915, 13132), (938, 12810), (980, 12261), (1005, 11956), (1220, 9849), (1281, 9380), (1340, 8967), (1407, 8540), (1470, 8174), (1708, 7035), (1830, 6566), (1876, 6405), (2010, 5978), (2135, 5628), (2345, 5124), (2562, 4690), (2814, 4270), (2940, 4087), (2989, 4020), (3283, 3660)]