1815958620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:542

約数の個数: 288

約数和(自身を含む): 6534528000

約数和(自身を除く): 4718569380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 67, 70, 84, 90, 98, 105, 126, 134, 140, 147, 180, 196, 201, 210, 245, 252, 268, 294, 315, 335, 343, 402, 420, 439, 441, 469, 490, 588, 603, 630, 670, 686, 735, 804, 878, 882, 938, 980, 1005, 1029, 1206, 1260, 1317, 1340, 1372, 1407, 1470, 1715, 1756, 1764, 1876, 2010, 2058, 2195, 2205, 2345, 2412, 2634, 2814, 2940, 3015, 3073, 3087, 3283, 3430, 3951, 4020, 4116, 4221, 4390, 4410, 4690, 5145, 5268, 5628, 6030, 6146, 6174, 6566, 6585, 6860, 7035, 7902, 8442, 8780, 8820, 9219, 9380, 9849, 10290, 12060, 12292, 12348, 13132, 13170, 14070, 15365, 15435, 15804, 16415, 16884, 18438, 19698, 19755, 20580, 21105, 21511, 22981, 26340, 27657, 28140, 29413, 29547, 30730, 30870, 32830, 36876, 39396, 39510, 42210, 43022, 45962, 46095, 49245, 55314, 58826, 59094, 61460, 61740, 64533, 65660, 68943, 79020, 84420, 86044, 88239, 91924, 92190, 98490, 107555, 110628, 114905, 117652, 118188, 129066, 137886, 138285, 147065, 147735, 150577, 176478, 184380, 193599, 196980, 205891, 206829, 215110, 229810, 258132, 264717, 275772, 276570, 294130, 295470, 301154, 322665, 344715, 352956, 387198, 411782, 413658, 430220, 441195, 451731, 459620, 529434, 553140, 588260, 590940, 602308, 617673, 645330, 689430, 752885, 774396, 823564, 827316, 882390, 903462, 967995, 1029455, 1034145, 1058868, 1235346, 1290660, 1323585, 1355193, 1378860, 1441237, 1505770, 1764780, 1806924, 1853019, 1935990, 2058910, 2068290, 2258655, 2470692, 2647170, 2710386, 2882474, 3011540, 3088365, 3706038, 3871980, 4117820, 4136580, 4323711, 4517310, 5294340, 5420772, 5764948, 6176730, 6775965, 7206185, 7412076, 8647422, 9034620, 9265095, 10088659, 12353460, 12971133, 13551930, 14412370, 17294844, 18530190, 20177318, 21618555, 25942266, 27103860, 28824740, 30265977, 37060380, 40354636, 43237110, 50443295, 51884532, 60531954, 64855665, 86474220, 90797931, 100886590, 121063908, 129711330, 151329885, 181595862, 201773180, 259422660, 302659770, 363191724, 453989655, 605319540, 907979310, 1815958620]

約数ペア:

[(1, 1815958620), (2, 907979310), (3, 605319540), (4, 453989655), (5, 363191724), (6, 302659770), (7, 259422660), (9, 201773180), (10, 181595862), (12, 151329885), (14, 129711330), (15, 121063908), (18, 100886590), (20, 90797931), (21, 86474220), (28, 64855665), (30, 60531954), (35, 51884532), (36, 50443295), (42, 43237110), (45, 40354636), (49, 37060380), (60, 30265977), (63, 28824740), (67, 27103860), (70, 25942266), (84, 21618555), (90, 20177318), (98, 18530190), (105, 17294844), (126, 14412370), (134, 13551930), (140, 12971133), (147, 12353460), (180, 10088659), (196, 9265095), (201, 9034620), (210, 8647422), (245, 7412076), (252, 7206185), (268, 6775965), (294, 6176730), (315, 5764948), (335, 5420772), (343, 5294340), (402, 4517310), (420, 4323711), (439, 4136580), (441, 4117820), (469, 3871980), (490, 3706038), (588, 3088365), (603, 3011540), (630, 2882474), (670, 2710386), (686, 2647170), (735, 2470692), (804, 2258655), (878, 2068290), (882, 2058910), (938, 1935990), (980, 1853019), (1005, 1806924), (1029, 1764780), (1206, 1505770), (1260, 1441237), (1317, 1378860), (1340, 1355193), (1372, 1323585), (1407, 1290660), (1470, 1235346), (1715, 1058868), (1756, 1034145), (1764, 1029455), (1876, 967995), (2010, 903462), (2058, 882390), (2195, 827316), (2205, 823564), (2345, 774396), (2412, 752885), (2634, 689430), (2814, 645330), (2940, 617673), (3015, 602308), (3073, 590940), (3087, 588260), (3283, 553140), (3430, 529434), (3951, 459620), (4020, 451731), (4116, 441195), (4221, 430220), (4390, 413658), (4410, 411782), (4690, 387198), (5145, 352956), (5268, 344715), (5628, 322665), (6030, 301154), (6146, 295470), (6174, 294130), (6566, 276570), (6585, 275772), (6860, 264717), (7035, 258132), (7902, 229810), (8442, 215110), (8780, 206829), (8820, 205891), (9219, 196980), (9380, 193599), (9849, 184380), (10290, 176478), (12060, 150577), (12292, 147735), (12348, 147065), (13132, 138285), (13170, 137886), (14070, 129066), (15365, 118188), (15435, 117652), (15804, 114905), (16415, 110628), (16884, 107555), (18438, 98490), (19698, 92190), (19755, 91924), (20580, 88239), (21105, 86044), (21511, 84420), (22981, 79020), (26340, 68943), (27657, 65660), (28140, 64533), (29413, 61740), (29547, 61460), (30730, 59094), (30870, 58826), (32830, 55314), (36876, 49245), (39396, 46095), (39510, 45962), (42210, 43022)]