1942971520

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:260

約数の個数: 256

約数和(自身を含む): 5552064000

約数和(自身を除く): 3609092480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 53, 56, 64, 70, 80, 98, 106, 112, 128, 140, 160, 167, 196, 212, 224, 245, 265, 280, 320, 334, 343, 371, 392, 424, 448, 490, 530, 560, 640, 668, 686, 742, 784, 835, 848, 896, 980, 1060, 1120, 1169, 1336, 1372, 1484, 1568, 1670, 1696, 1715, 1855, 1960, 2120, 2240, 2338, 2597, 2672, 2744, 2968, 3136, 3340, 3392, 3430, 3710, 3920, 4240, 4480, 4676, 5194, 5344, 5488, 5845, 5936, 6272, 6680, 6784, 6860, 7420, 7840, 8183, 8480, 8851, 9352, 10388, 10688, 10976, 11690, 11872, 12985, 13360, 13720, 14840, 15680, 16366, 16960, 17702, 18179, 18704, 20776, 21376, 21952, 23380, 23744, 25970, 26720, 27440, 29680, 31360, 32732, 33920, 35404, 36358, 37408, 40915, 41552, 43904, 44255, 46760, 47488, 51940, 53440, 54880, 57281, 59360, 61957, 65464, 70808, 72716, 74816, 81830, 83104, 88510, 90895, 93520, 103880, 106880, 109760, 114562, 118720, 123914, 130928, 141616, 145432, 149632, 163660, 166208, 177020, 181790, 187040, 207760, 219520, 229124, 237440, 247828, 261856, 283232, 286405, 290864, 309785, 327320, 332416, 354040, 363580, 374080, 415520, 433699, 458248, 495656, 523712, 566464, 572810, 581728, 619570, 654640, 708080, 727160, 748160, 831040, 867398, 916496, 991312, 1047424, 1132928, 1145620, 1163456, 1239140, 1309280, 1416160, 1454320, 1662080, 1734796, 1832992, 1982624, 2168495, 2291240, 2326912, 2478280, 2618560, 2832320, 2908640, 3035893, 3469592, 3665984, 3965248, 4336990, 4582480, 4956560, 5237120, 5664640, 5817280, 6071786, 6939184, 7331968, 7930496, 8673980, 9164960, 9913120, 11634560, 12143572, 13878368, 15179465, 17347960, 18329920, 19826240, 24287144, 27756736, 30358930, 34695920, 36659840, 39652480, 48574288, 55513472, 60717860, 69391840, 97148576, 121435720, 138783680, 194297152, 242871440, 277567360, 388594304, 485742880, 971485760, 1942971520]

約数ペア:

[(1, 1942971520), (2, 971485760), (4, 485742880), (5, 388594304), (7, 277567360), (8, 242871440), (10, 194297152), (14, 138783680), (16, 121435720), (20, 97148576), (28, 69391840), (32, 60717860), (35, 55513472), (40, 48574288), (49, 39652480), (53, 36659840), (56, 34695920), (64, 30358930), (70, 27756736), (80, 24287144), (98, 19826240), (106, 18329920), (112, 17347960), (128, 15179465), (140, 13878368), (160, 12143572), (167, 11634560), (196, 9913120), (212, 9164960), (224, 8673980), (245, 7930496), (265, 7331968), (280, 6939184), (320, 6071786), (334, 5817280), (343, 5664640), (371, 5237120), (392, 4956560), (424, 4582480), (448, 4336990), (490, 3965248), (530, 3665984), (560, 3469592), (640, 3035893), (668, 2908640), (686, 2832320), (742, 2618560), (784, 2478280), (835, 2326912), (848, 2291240), (896, 2168495), (980, 1982624), (1060, 1832992), (1120, 1734796), (1169, 1662080), (1336, 1454320), (1372, 1416160), (1484, 1309280), (1568, 1239140), (1670, 1163456), (1696, 1145620), (1715, 1132928), (1855, 1047424), (1960, 991312), (2120, 916496), (2240, 867398), (2338, 831040), (2597, 748160), (2672, 727160), (2744, 708080), (2968, 654640), (3136, 619570), (3340, 581728), (3392, 572810), (3430, 566464), (3710, 523712), (3920, 495656), (4240, 458248), (4480, 433699), (4676, 415520), (5194, 374080), (5344, 363580), (5488, 354040), (5845, 332416), (5936, 327320), (6272, 309785), (6680, 290864), (6784, 286405), (6860, 283232), (7420, 261856), (7840, 247828), (8183, 237440), (8480, 229124), (8851, 219520), (9352, 207760), (10388, 187040), (10688, 181790), (10976, 177020), (11690, 166208), (11872, 163660), (12985, 149632), (13360, 145432), (13720, 141616), (14840, 130928), (15680, 123914), (16366, 118720), (16960, 114562), (17702, 109760), (18179, 106880), (18704, 103880), (20776, 93520), (21376, 90895), (21952, 88510), (23380, 83104), (23744, 81830), (25970, 74816), (26720, 72716), (27440, 70808), (29680, 65464), (31360, 61957), (32732, 59360), (33920, 57281), (35404, 54880), (36358, 53440), (37408, 51940), (40915, 47488), (41552, 46760), (43904, 44255)]