66857580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 216609120

約数和(自身を除く): 149751540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 113, 114, 171, 173, 180, 190, 226, 228, 285, 339, 342, 346, 380, 452, 519, 565, 570, 678, 684, 692, 855, 865, 1017, 1038, 1130, 1140, 1356, 1557, 1695, 1710, 1730, 2034, 2076, 2147, 2260, 2595, 3114, 3287, 3390, 3420, 3460, 4068, 4294, 5085, 5190, 6228, 6441, 6574, 6780, 7785, 8588, 9861, 10170, 10380, 10735, 12882, 13148, 15570, 16435, 19323, 19549, 19722, 20340, 21470, 25764, 29583, 31140, 32205, 32870, 38646, 39098, 39444, 42940, 49305, 58647, 59166, 64410, 65740, 77292, 78196, 96615, 97745, 98610, 117294, 118332, 128820, 147915, 175941, 193230, 195490, 197220, 234588, 293235, 295830, 351882, 371431, 386460, 390980, 586470, 591660, 703764, 742862, 879705, 1114293, 1172940, 1485724, 1759410, 1857155, 2228586, 3342879, 3518820, 3714310, 4457172, 5571465, 6685758, 7428620, 11142930, 13371516, 16714395, 22285860, 33428790, 66857580]

約数ペア:

[(1, 66857580), (2, 33428790), (3, 22285860), (4, 16714395), (5, 13371516), (6, 11142930), (9, 7428620), (10, 6685758), (12, 5571465), (15, 4457172), (18, 3714310), (19, 3518820), (20, 3342879), (30, 2228586), (36, 1857155), (38, 1759410), (45, 1485724), (57, 1172940), (60, 1114293), (76, 879705), (90, 742862), (95, 703764), (113, 591660), (114, 586470), (171, 390980), (173, 386460), (180, 371431), (190, 351882), (226, 295830), (228, 293235), (285, 234588), (339, 197220), (342, 195490), (346, 193230), (380, 175941), (452, 147915), (519, 128820), (565, 118332), (570, 117294), (678, 98610), (684, 97745), (692, 96615), (855, 78196), (865, 77292), (1017, 65740), (1038, 64410), (1130, 59166), (1140, 58647), (1356, 49305), (1557, 42940), (1695, 39444), (1710, 39098), (1730, 38646), (2034, 32870), (2076, 32205), (2147, 31140), (2260, 29583), (2595, 25764), (3114, 21470), (3287, 20340), (3390, 19722), (3420, 19549), (3460, 19323), (4068, 16435), (4294, 15570), (5085, 13148), (5190, 12882), (6228, 10735), (6441, 10380), (6574, 10170), (6780, 9861), (7785, 8588)]