211989784960

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{260609}}^1$

素因数の和:260700

約数の個数: 128

約数和(自身を含む): 535897555200

約数和(自身を除く): 323907770240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 205, 248, 310, 320, 328, 410, 496, 620, 640, 656, 820, 992, 1240, 1271, 1312, 1640, 1984, 2480, 2542, 2624, 3280, 3968, 4960, 5084, 5248, 6355, 6560, 9920, 10168, 12710, 13120, 19840, 20336, 25420, 26240, 40672, 50840, 81344, 101680, 162688, 203360, 260609, 406720, 521218, 813440, 1042436, 1303045, 2084872, 2606090, 4169744, 5212180, 8078879, 8339488, 10424360, 10684969, 16157758, 16678976, 20848720, 21369938, 32315516, 33357952, 40394395, 41697440, 42739876, 53424845, 64631032, 80788790, 83394880, 85479752, 106849690, 129262064, 161577580, 166789760, 170959504, 213699380, 258524128, 323155160, 331234039, 341919008, 427398760, 517048256, 646310320, 662468078, 683838016, 854797520, 1034096512, 1292620640, 1324936156, 1367676032, 1656170195, 1709595040, 2585241280, 2649872312, 3312340390, 3419190080, 5170482560, 5299744624, 6624680780, 6838380160, 10599489248, 13249361560, 21198978496, 26498723120, 42397956992, 52997446240, 105994892480, 211989784960]

約数ペア:

[(1, 211989784960), (2, 105994892480), (4, 52997446240), (5, 42397956992), (8, 26498723120), (10, 21198978496), (16, 13249361560), (20, 10599489248), (31, 6838380160), (32, 6624680780), (40, 5299744624), (41, 5170482560), (62, 3419190080), (64, 3312340390), (80, 2649872312), (82, 2585241280), (124, 1709595040), (128, 1656170195), (155, 1367676032), (160, 1324936156), (164, 1292620640), (205, 1034096512), (248, 854797520), (310, 683838016), (320, 662468078), (328, 646310320), (410, 517048256), (496, 427398760), (620, 341919008), (640, 331234039), (656, 323155160), (820, 258524128), (992, 213699380), (1240, 170959504), (1271, 166789760), (1312, 161577580), (1640, 129262064), (1984, 106849690), (2480, 85479752), (2542, 83394880), (2624, 80788790), (3280, 64631032), (3968, 53424845), (4960, 42739876), (5084, 41697440), (5248, 40394395), (6355, 33357952), (6560, 32315516), (9920, 21369938), (10168, 20848720), (12710, 16678976), (13120, 16157758), (19840, 10684969), (20336, 10424360), (25420, 8339488), (26240, 8078879), (40672, 5212180), (50840, 4169744), (81344, 2606090), (101680, 2084872), (162688, 1303045), (203360, 1042436), (260609, 813440), (406720, 521218)]