1819409220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^2$

素因数の和:327

約数の個数: 216

約数和(自身を含む): 6042865920

約数和(自身を除く): 4223456700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 131, 155, 171, 180, 186, 190, 228, 262, 279, 285, 310, 342, 372, 380, 393, 465, 524, 558, 570, 589, 620, 655, 684, 786, 855, 930, 1116, 1140, 1178, 1179, 1310, 1395, 1572, 1710, 1767, 1860, 1965, 2356, 2358, 2489, 2620, 2790, 2945, 3420, 3534, 3930, 4061, 4716, 4978, 5301, 5580, 5890, 5895, 7068, 7467, 7860, 8122, 8835, 9956, 10602, 11780, 11790, 12183, 12445, 14934, 16244, 17161, 17670, 20305, 21204, 22401, 23580, 24366, 24890, 26505, 29868, 34322, 35340, 36549, 37335, 40610, 44802, 48732, 49780, 51483, 53010, 60915, 68644, 73098, 74670, 77159, 81220, 85805, 89604, 102966, 106020, 112005, 121830, 146196, 149340, 154318, 154449, 171610, 182745, 205932, 224010, 231477, 243660, 257415, 308636, 308898, 326059, 343220, 365490, 385795, 448020, 462954, 514830, 531991, 617796, 652118, 694431, 730980, 771590, 772245, 925908, 978177, 1029660, 1063982, 1157385, 1304236, 1388862, 1543180, 1544490, 1595973, 1630295, 1956354, 2127964, 2314770, 2659955, 2777724, 2934531, 3088980, 3191946, 3260590, 3472155, 3912708, 4629540, 4787919, 4890885, 5319910, 5869062, 6383892, 6521180, 6944310, 7979865, 9575838, 9781770, 10107829, 10639820, 11738124, 13888620, 14672655, 15959730, 19151676, 19563540, 20215658, 23939595, 29345310, 30323487, 31919460, 40431316, 47879190, 50539145, 58690620, 60646974, 90970461, 95758380, 101078290, 121293948, 151617435, 181940922, 202156580, 303234870, 363881844, 454852305, 606469740, 909704610, 1819409220]

約数ペア:

[(1, 1819409220), (2, 909704610), (3, 606469740), (4, 454852305), (5, 363881844), (6, 303234870), (9, 202156580), (10, 181940922), (12, 151617435), (15, 121293948), (18, 101078290), (19, 95758380), (20, 90970461), (30, 60646974), (31, 58690620), (36, 50539145), (38, 47879190), (45, 40431316), (57, 31919460), (60, 30323487), (62, 29345310), (76, 23939595), (90, 20215658), (93, 19563540), (95, 19151676), (114, 15959730), (124, 14672655), (131, 13888620), (155, 11738124), (171, 10639820), (180, 10107829), (186, 9781770), (190, 9575838), (228, 7979865), (262, 6944310), (279, 6521180), (285, 6383892), (310, 5869062), (342, 5319910), (372, 4890885), (380, 4787919), (393, 4629540), (465, 3912708), (524, 3472155), (558, 3260590), (570, 3191946), (589, 3088980), (620, 2934531), (655, 2777724), (684, 2659955), (786, 2314770), (855, 2127964), (930, 1956354), (1116, 1630295), (1140, 1595973), (1178, 1544490), (1179, 1543180), (1310, 1388862), (1395, 1304236), (1572, 1157385), (1710, 1063982), (1767, 1029660), (1860, 978177), (1965, 925908), (2356, 772245), (2358, 771590), (2489, 730980), (2620, 694431), (2790, 652118), (2945, 617796), (3420, 531991), (3534, 514830), (3930, 462954), (4061, 448020), (4716, 385795), (4978, 365490), (5301, 343220), (5580, 326059), (5890, 308898), (5895, 308636), (7068, 257415), (7467, 243660), (7860, 231477), (8122, 224010), (8835, 205932), (9956, 182745), (10602, 171610), (11780, 154449), (11790, 154318), (12183, 149340), (12445, 146196), (14934, 121830), (16244, 112005), (17161, 106020), (17670, 102966), (20305, 89604), (21204, 85805), (22401, 81220), (23580, 77159), (24366, 74670), (24890, 73098), (26505, 68644), (29868, 60915), (34322, 53010), (35340, 51483), (36549, 49780), (37335, 48732), (40610, 44802)]