218631840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2099}}^1$

素因数の和:2155

約数の個数: 192

約数和(自身を含む): 812851200

約数和(自身を除く): 594219360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 210, 217, 224, 240, 248, 280, 310, 336, 372, 420, 434, 465, 480, 496, 560, 620, 651, 672, 744, 840, 868, 930, 992, 1085, 1120, 1240, 1302, 1488, 1680, 1736, 1860, 2099, 2170, 2480, 2604, 2976, 3255, 3360, 3472, 3720, 4198, 4340, 4960, 5208, 6297, 6510, 6944, 7440, 8396, 8680, 10416, 10495, 12594, 13020, 14693, 14880, 16792, 17360, 20832, 20990, 25188, 26040, 29386, 31485, 33584, 34720, 41980, 44079, 50376, 52080, 58772, 62970, 65069, 67168, 73465, 83960, 88158, 100752, 104160, 117544, 125940, 130138, 146930, 167920, 176316, 195207, 201504, 220395, 235088, 251880, 260276, 293860, 325345, 335840, 352632, 390414, 440790, 455483, 470176, 503760, 520552, 587720, 650690, 705264, 780828, 881580, 910966, 976035, 1007520, 1041104, 1175440, 1301380, 1366449, 1410528, 1561656, 1763160, 1821932, 1952070, 2082208, 2277415, 2350880, 2602760, 2732898, 3123312, 3526320, 3643864, 3904140, 4554830, 5205520, 5465796, 6246624, 6832245, 7052640, 7287728, 7808280, 9109660, 10411040, 10931592, 13664490, 14575456, 15616560, 18219320, 21863184, 27328980, 31233120, 36438640, 43726368, 54657960, 72877280, 109315920, 218631840]

約数ペア:

[(1, 218631840), (2, 109315920), (3, 72877280), (4, 54657960), (5, 43726368), (6, 36438640), (7, 31233120), (8, 27328980), (10, 21863184), (12, 18219320), (14, 15616560), (15, 14575456), (16, 13664490), (20, 10931592), (21, 10411040), (24, 9109660), (28, 7808280), (30, 7287728), (31, 7052640), (32, 6832245), (35, 6246624), (40, 5465796), (42, 5205520), (48, 4554830), (56, 3904140), (60, 3643864), (62, 3526320), (70, 3123312), (80, 2732898), (84, 2602760), (93, 2350880), (96, 2277415), (105, 2082208), (112, 1952070), (120, 1821932), (124, 1763160), (140, 1561656), (155, 1410528), (160, 1366449), (168, 1301380), (186, 1175440), (210, 1041104), (217, 1007520), (224, 976035), (240, 910966), (248, 881580), (280, 780828), (310, 705264), (336, 650690), (372, 587720), (420, 520552), (434, 503760), (465, 470176), (480, 455483), (496, 440790), (560, 390414), (620, 352632), (651, 335840), (672, 325345), (744, 293860), (840, 260276), (868, 251880), (930, 235088), (992, 220395), (1085, 201504), (1120, 195207), (1240, 176316), (1302, 167920), (1488, 146930), (1680, 130138), (1736, 125940), (1860, 117544), (2099, 104160), (2170, 100752), (2480, 88158), (2604, 83960), (2976, 73465), (3255, 67168), (3360, 65069), (3472, 62970), (3720, 58772), (4198, 52080), (4340, 50376), (4960, 44079), (5208, 41980), (6297, 34720), (6510, 33584), (6944, 31485), (7440, 29386), (8396, 26040), (8680, 25188), (10416, 20990), (10495, 20832), (12594, 17360), (13020, 16792), (14693, 14880)]