1720810728

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:361

約数の個数: 288

約数和(自身を含む): 5858049600

約数和(自身を除く): 4137238872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 63, 72, 78, 84, 89, 91, 104, 117, 126, 156, 168, 169, 178, 182, 227, 234, 252, 267, 273, 312, 338, 356, 364, 454, 468, 504, 507, 534, 546, 623, 676, 681, 712, 728, 801, 819, 908, 936, 1014, 1068, 1092, 1157, 1183, 1246, 1352, 1362, 1521, 1589, 1602, 1638, 1816, 1869, 2028, 2043, 2136, 2184, 2314, 2366, 2492, 2724, 2951, 3042, 3178, 3204, 3276, 3471, 3549, 3738, 4056, 4086, 4628, 4732, 4767, 4984, 5448, 5607, 5902, 6084, 6356, 6408, 6552, 6942, 7098, 7476, 8099, 8172, 8853, 9256, 9464, 9534, 10413, 10647, 11214, 11804, 12168, 12712, 13884, 14196, 14301, 14952, 15041, 16198, 16344, 17706, 19068, 20203, 20657, 20826, 21294, 22428, 23608, 24297, 26559, 27768, 28392, 28602, 30082, 32396, 35412, 38136, 38363, 40406, 41314, 41652, 42588, 44856, 45123, 48594, 53118, 57204, 60164, 60609, 61971, 64792, 70824, 72891, 76726, 80812, 82628, 83304, 85176, 90246, 97188, 105287, 106236, 114408, 115089, 120328, 121218, 123942, 135369, 141421, 145782, 153452, 161624, 165256, 180492, 181827, 185913, 194376, 210574, 212472, 230178, 242436, 247884, 262639, 268541, 270738, 282842, 291564, 306904, 315861, 345267, 360984, 363654, 371826, 421148, 424263, 460356, 484872, 495768, 525278, 537082, 541476, 565684, 583128, 631722, 690534, 727308, 743652, 787917, 805623, 842296, 848526, 920712, 947583, 1050556, 1074164, 1082952, 1131368, 1263444, 1272789, 1381068, 1454616, 1487304, 1575834, 1611246, 1697052, 1838473, 1895166, 2101112, 2148328, 2363751, 2416869, 2526888, 2545578, 2762136, 3151668, 3222492, 3394104, 3414307, 3676946, 3790332, 4727502, 4833738, 5091156, 5515419, 6303336, 6444984, 6828614, 7353892, 7580664, 9455004, 9667476, 10182312, 10242921, 11030838, 13657228, 14707784, 16546257, 18910008, 19334952, 20485842, 22061676, 23900149, 27314456, 30728763, 33092514, 40971684, 44123352, 47800298, 61457526, 66185028, 71700447, 81943368, 95600596, 122915052, 132370056, 143400894, 191201192, 215101341, 245830104, 286801788, 430202682, 573603576, 860405364, 1720810728]

約数ペア:

[(1, 1720810728), (2, 860405364), (3, 573603576), (4, 430202682), (6, 286801788), (7, 245830104), (8, 215101341), (9, 191201192), (12, 143400894), (13, 132370056), (14, 122915052), (18, 95600596), (21, 81943368), (24, 71700447), (26, 66185028), (28, 61457526), (36, 47800298), (39, 44123352), (42, 40971684), (52, 33092514), (56, 30728763), (63, 27314456), (72, 23900149), (78, 22061676), (84, 20485842), (89, 19334952), (91, 18910008), (104, 16546257), (117, 14707784), (126, 13657228), (156, 11030838), (168, 10242921), (169, 10182312), (178, 9667476), (182, 9455004), (227, 7580664), (234, 7353892), (252, 6828614), (267, 6444984), (273, 6303336), (312, 5515419), (338, 5091156), (356, 4833738), (364, 4727502), (454, 3790332), (468, 3676946), (504, 3414307), (507, 3394104), (534, 3222492), (546, 3151668), (623, 2762136), (676, 2545578), (681, 2526888), (712, 2416869), (728, 2363751), (801, 2148328), (819, 2101112), (908, 1895166), (936, 1838473), (1014, 1697052), (1068, 1611246), (1092, 1575834), (1157, 1487304), (1183, 1454616), (1246, 1381068), (1352, 1272789), (1362, 1263444), (1521, 1131368), (1589, 1082952), (1602, 1074164), (1638, 1050556), (1816, 947583), (1869, 920712), (2028, 848526), (2043, 842296), (2136, 805623), (2184, 787917), (2314, 743652), (2366, 727308), (2492, 690534), (2724, 631722), (2951, 583128), (3042, 565684), (3178, 541476), (3204, 537082), (3276, 525278), (3471, 495768), (3549, 484872), (3738, 460356), (4056, 424263), (4086, 421148), (4628, 371826), (4732, 363654), (4767, 360984), (4984, 345267), (5448, 315861), (5607, 306904), (5902, 291564), (6084, 282842), (6356, 270738), (6408, 268541), (6552, 262639), (6942, 247884), (7098, 242436), (7476, 230178), (8099, 212472), (8172, 210574), (8853, 194376), (9256, 185913), (9464, 181827), (9534, 180492), (10413, 165256), (10647, 161624), (11214, 153452), (11804, 145782), (12168, 141421), (12712, 135369), (13884, 123942), (14196, 121218), (14301, 120328), (14952, 115089), (15041, 114408), (16198, 106236), (16344, 105287), (17706, 97188), (19068, 90246), (20203, 85176), (20657, 83304), (20826, 82628), (21294, 80812), (22428, 76726), (23608, 72891), (24297, 70824), (26559, 64792), (27768, 61971), (28392, 60609), (28602, 60164), (30082, 57204), (32396, 53118), (35412, 48594), (38136, 45123), (38363, 44856), (40406, 42588), (41314, 41652)]