279456320

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:269

約数の個数: 224

約数和(自身を含む): 811109376

約数和(自身を除く): 531653056

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 32, 40, 44, 52, 55, 62, 64, 65, 80, 88, 104, 110, 124, 130, 143, 155, 160, 176, 197, 208, 220, 248, 260, 286, 310, 320, 341, 352, 394, 403, 416, 440, 496, 520, 572, 620, 682, 704, 715, 788, 806, 832, 880, 985, 992, 1040, 1144, 1240, 1364, 1430, 1576, 1612, 1705, 1760, 1970, 1984, 2015, 2080, 2167, 2288, 2480, 2561, 2728, 2860, 3152, 3224, 3410, 3520, 3940, 4030, 4160, 4334, 4433, 4576, 4960, 5122, 5456, 5720, 6107, 6304, 6448, 6820, 7880, 8060, 8668, 8866, 9152, 9920, 10244, 10835, 10912, 11440, 12214, 12608, 12805, 12896, 13640, 15760, 16120, 17336, 17732, 20488, 21670, 21824, 22165, 22880, 24428, 25610, 25792, 27280, 28171, 30535, 31520, 32240, 34672, 35464, 40976, 43340, 44330, 45760, 48856, 51220, 54560, 56342, 61070, 63040, 64480, 67177, 69344, 70928, 79391, 81952, 86680, 88660, 97712, 102440, 109120, 112684, 122140, 128960, 134354, 138688, 140855, 141856, 158782, 163904, 173360, 177320, 195424, 204880, 225368, 244280, 268708, 281710, 283712, 317564, 335885, 346720, 354640, 390848, 396955, 409760, 450736, 488560, 537416, 563420, 635128, 671770, 693440, 709280, 793910, 819520, 873301, 901472, 977120, 1074832, 1126840, 1270256, 1343540, 1418560, 1587820, 1746602, 1802944, 1954240, 2149664, 2253680, 2540512, 2687080, 3175640, 3493204, 4299328, 4366505, 4507360, 5081024, 5374160, 6351280, 6986408, 8733010, 9014720, 10748320, 12702560, 13972816, 17466020, 21496640, 25405120, 27945632, 34932040, 55891264, 69864080, 139728160, 279456320]

約数ペア:

[(1, 279456320), (2, 139728160), (4, 69864080), (5, 55891264), (8, 34932040), (10, 27945632), (11, 25405120), (13, 21496640), (16, 17466020), (20, 13972816), (22, 12702560), (26, 10748320), (31, 9014720), (32, 8733010), (40, 6986408), (44, 6351280), (52, 5374160), (55, 5081024), (62, 4507360), (64, 4366505), (65, 4299328), (80, 3493204), (88, 3175640), (104, 2687080), (110, 2540512), (124, 2253680), (130, 2149664), (143, 1954240), (155, 1802944), (160, 1746602), (176, 1587820), (197, 1418560), (208, 1343540), (220, 1270256), (248, 1126840), (260, 1074832), (286, 977120), (310, 901472), (320, 873301), (341, 819520), (352, 793910), (394, 709280), (403, 693440), (416, 671770), (440, 635128), (496, 563420), (520, 537416), (572, 488560), (620, 450736), (682, 409760), (704, 396955), (715, 390848), (788, 354640), (806, 346720), (832, 335885), (880, 317564), (985, 283712), (992, 281710), (1040, 268708), (1144, 244280), (1240, 225368), (1364, 204880), (1430, 195424), (1576, 177320), (1612, 173360), (1705, 163904), (1760, 158782), (1970, 141856), (1984, 140855), (2015, 138688), (2080, 134354), (2167, 128960), (2288, 122140), (2480, 112684), (2561, 109120), (2728, 102440), (2860, 97712), (3152, 88660), (3224, 86680), (3410, 81952), (3520, 79391), (3940, 70928), (4030, 69344), (4160, 67177), (4334, 64480), (4433, 63040), (4576, 61070), (4960, 56342), (5122, 54560), (5456, 51220), (5720, 48856), (6107, 45760), (6304, 44330), (6448, 43340), (6820, 40976), (7880, 35464), (8060, 34672), (8668, 32240), (8866, 31520), (9152, 30535), (9920, 28171), (10244, 27280), (10835, 25792), (10912, 25610), (11440, 24428), (12214, 22880), (12608, 22165), (12805, 21824), (12896, 21670), (13640, 20488), (15760, 17732), (16120, 17336)]