21066400080

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{80603}}^1$

素因数の和:80647

約数の個数: 240

約数和(自身を含む): 79759270080

約数和(自身を除く): 58692870000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 99, 108, 110, 120, 121, 132, 135, 144, 165, 176, 180, 198, 216, 220, 240, 242, 264, 270, 297, 330, 360, 363, 396, 432, 440, 484, 495, 528, 540, 594, 605, 660, 720, 726, 792, 880, 968, 990, 1080, 1089, 1188, 1210, 1320, 1452, 1485, 1584, 1815, 1936, 1980, 2160, 2178, 2376, 2420, 2640, 2904, 2970, 3267, 3630, 3960, 4356, 4752, 4840, 5445, 5808, 5940, 6534, 7260, 7920, 8712, 9680, 10890, 11880, 13068, 14520, 16335, 17424, 21780, 23760, 26136, 29040, 32670, 43560, 52272, 65340, 80603, 87120, 130680, 161206, 241809, 261360, 322412, 403015, 483618, 644824, 725427, 806030, 886633, 967236, 1209045, 1289648, 1450854, 1612060, 1773266, 1934472, 2176281, 2418090, 2659899, 2901708, 3224120, 3546532, 3627135, 3868944, 4352562, 4433165, 4836180, 5319798, 5803416, 6448240, 7093064, 7254270, 7979697, 8705124, 8866330, 9672360, 9752963, 10639596, 10881405, 11606832, 13299495, 14186128, 14508540, 15959394, 17410248, 17732660, 19344720, 19505926, 21279192, 21762810, 23939091, 26598990, 29017080, 29258889, 31918788, 34820496, 35465320, 39011852, 39898485, 42558384, 43525620, 47878182, 48764815, 53197980, 58034160, 58517778, 63837576, 70930640, 78023704, 79796970, 87051240, 87776667, 95756364, 97529630, 106395960, 117035556, 119695455, 127675152, 146294445, 156047408, 159593940, 174102480, 175553334, 191512728, 195059260, 212791920, 234071112, 239390910, 263330001, 292588890, 319187880, 351106668, 383025456, 390118520, 438883335, 468142224, 478781820, 526660002, 585177780, 638375760, 702213336, 780237040, 877766670, 957563640, 1053320004, 1170355560, 1316650005, 1404426672, 1755533340, 1915127280, 2106640008, 2340711120, 2633300010, 3511066680, 4213280016, 5266600020, 7022133360, 10533200040, 21066400080]

約数ペア:

[(1, 21066400080), (2, 10533200040), (3, 7022133360), (4, 5266600020), (5, 4213280016), (6, 3511066680), (8, 2633300010), (9, 2340711120), (10, 2106640008), (11, 1915127280), (12, 1755533340), (15, 1404426672), (16, 1316650005), (18, 1170355560), (20, 1053320004), (22, 957563640), (24, 877766670), (27, 780237040), (30, 702213336), (33, 638375760), (36, 585177780), (40, 526660002), (44, 478781820), (45, 468142224), (48, 438883335), (54, 390118520), (55, 383025456), (60, 351106668), (66, 319187880), (72, 292588890), (80, 263330001), (88, 239390910), (90, 234071112), (99, 212791920), (108, 195059260), (110, 191512728), (120, 175553334), (121, 174102480), (132, 159593940), (135, 156047408), (144, 146294445), (165, 127675152), (176, 119695455), (180, 117035556), (198, 106395960), (216, 97529630), (220, 95756364), (240, 87776667), (242, 87051240), (264, 79796970), (270, 78023704), (297, 70930640), (330, 63837576), (360, 58517778), (363, 58034160), (396, 53197980), (432, 48764815), (440, 47878182), (484, 43525620), (495, 42558384), (528, 39898485), (540, 39011852), (594, 35465320), (605, 34820496), (660, 31918788), (720, 29258889), (726, 29017080), (792, 26598990), (880, 23939091), (968, 21762810), (990, 21279192), (1080, 19505926), (1089, 19344720), (1188, 17732660), (1210, 17410248), (1320, 15959394), (1452, 14508540), (1485, 14186128), (1584, 13299495), (1815, 11606832), (1936, 10881405), (1980, 10639596), (2160, 9752963), (2178, 9672360), (2376, 8866330), (2420, 8705124), (2640, 7979697), (2904, 7254270), (2970, 7093064), (3267, 6448240), (3630, 5803416), (3960, 5319798), (4356, 4836180), (4752, 4433165), (4840, 4352562), (5445, 3868944), (5808, 3627135), (5940, 3546532), (6534, 3224120), (7260, 2901708), (7920, 2659899), (8712, 2418090), (9680, 2176281), (10890, 1934472), (11880, 1773266), (13068, 1612060), (14520, 1450854), (16335, 1289648), (17424, 1209045), (21780, 967236), (23760, 886633), (26136, 806030), (29040, 725427), (32670, 644824), (43560, 483618), (52272, 403015), (65340, 322412), (80603, 261360), (87120, 241809), (130680, 161206)]