56057220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:514

約数の個数: 144

約数和(自身を含む): 184242240

約数和(自身を除く): 128185020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 57, 60, 74, 76, 90, 95, 111, 114, 148, 171, 180, 185, 190, 222, 228, 285, 333, 342, 370, 380, 443, 444, 555, 570, 666, 684, 703, 740, 855, 886, 1110, 1140, 1329, 1332, 1406, 1665, 1710, 1772, 2109, 2215, 2220, 2658, 2812, 3330, 3420, 3515, 3987, 4218, 4430, 5316, 6327, 6645, 6660, 7030, 7974, 8417, 8436, 8860, 10545, 12654, 13290, 14060, 15948, 16391, 16834, 19935, 21090, 25251, 25308, 26580, 31635, 32782, 33668, 39870, 42085, 42180, 49173, 50502, 63270, 65564, 75753, 79740, 81955, 84170, 98346, 101004, 126255, 126540, 147519, 151506, 163910, 168340, 196692, 245865, 252510, 295038, 303012, 311429, 327820, 378765, 491730, 505020, 590076, 622858, 737595, 757530, 934287, 983460, 1245716, 1475190, 1515060, 1557145, 1868574, 2802861, 2950380, 3114290, 3737148, 4671435, 5605722, 6228580, 9342870, 11211444, 14014305, 18685740, 28028610, 56057220]

約数ペア:

[(1, 56057220), (2, 28028610), (3, 18685740), (4, 14014305), (5, 11211444), (6, 9342870), (9, 6228580), (10, 5605722), (12, 4671435), (15, 3737148), (18, 3114290), (19, 2950380), (20, 2802861), (30, 1868574), (36, 1557145), (37, 1515060), (38, 1475190), (45, 1245716), (57, 983460), (60, 934287), (74, 757530), (76, 737595), (90, 622858), (95, 590076), (111, 505020), (114, 491730), (148, 378765), (171, 327820), (180, 311429), (185, 303012), (190, 295038), (222, 252510), (228, 245865), (285, 196692), (333, 168340), (342, 163910), (370, 151506), (380, 147519), (443, 126540), (444, 126255), (555, 101004), (570, 98346), (666, 84170), (684, 81955), (703, 79740), (740, 75753), (855, 65564), (886, 63270), (1110, 50502), (1140, 49173), (1329, 42180), (1332, 42085), (1406, 39870), (1665, 33668), (1710, 32782), (1772, 31635), (2109, 26580), (2215, 25308), (2220, 25251), (2658, 21090), (2812, 19935), (3330, 16834), (3420, 16391), (3515, 15948), (3987, 14060), (4218, 13290), (4430, 12654), (5316, 10545), (6327, 8860), (6645, 8436), (6660, 8417), (7030, 7974)]