51945660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 172448640

約数和(自身を除く): 120502980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 79, 90, 117, 130, 156, 158, 180, 195, 234, 237, 260, 281, 316, 390, 395, 468, 474, 562, 585, 711, 780, 790, 843, 948, 1027, 1124, 1170, 1185, 1405, 1422, 1580, 1686, 2054, 2340, 2370, 2529, 2810, 2844, 3081, 3372, 3555, 3653, 4108, 4215, 4740, 5058, 5135, 5620, 6162, 7110, 7306, 8430, 9243, 10116, 10270, 10959, 12324, 12645, 14220, 14612, 15405, 16860, 18265, 18486, 20540, 21918, 22199, 25290, 30810, 32877, 36530, 36972, 43836, 44398, 46215, 50580, 54795, 61620, 65754, 66597, 73060, 88796, 92430, 109590, 110995, 131508, 133194, 164385, 184860, 199791, 219180, 221990, 266388, 288587, 328770, 332985, 399582, 443980, 577174, 657540, 665970, 799164, 865761, 998955, 1154348, 1331940, 1442935, 1731522, 1997910, 2597283, 2885870, 3463044, 3995820, 4328805, 5194566, 5771740, 8657610, 10389132, 12986415, 17315220, 25972830, 51945660]

約数ペア:

[(1, 51945660), (2, 25972830), (3, 17315220), (4, 12986415), (5, 10389132), (6, 8657610), (9, 5771740), (10, 5194566), (12, 4328805), (13, 3995820), (15, 3463044), (18, 2885870), (20, 2597283), (26, 1997910), (30, 1731522), (36, 1442935), (39, 1331940), (45, 1154348), (52, 998955), (60, 865761), (65, 799164), (78, 665970), (79, 657540), (90, 577174), (117, 443980), (130, 399582), (156, 332985), (158, 328770), (180, 288587), (195, 266388), (234, 221990), (237, 219180), (260, 199791), (281, 184860), (316, 164385), (390, 133194), (395, 131508), (468, 110995), (474, 109590), (562, 92430), (585, 88796), (711, 73060), (780, 66597), (790, 65754), (843, 61620), (948, 54795), (1027, 50580), (1124, 46215), (1170, 44398), (1185, 43836), (1405, 36972), (1422, 36530), (1580, 32877), (1686, 30810), (2054, 25290), (2340, 22199), (2370, 21918), (2529, 20540), (2810, 18486), (2844, 18265), (3081, 16860), (3372, 15405), (3555, 14612), (3653, 14220), (4108, 12645), (4215, 12324), (4740, 10959), (5058, 10270), (5135, 10116), (5620, 9243), (6162, 8430), (7110, 7306)]