1221560640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{811}}^1$

素因数の和:1357

約数の個数: 168

約数和(自身を含む): 4214884128

約数和(自身を除く): 2993323488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 523, 576, 720, 811, 960, 1046, 1440, 1569, 1622, 2092, 2433, 2615, 2880, 3138, 3244, 4055, 4184, 4707, 4866, 5230, 6276, 6488, 7299, 7845, 8110, 8368, 9414, 9732, 10460, 12165, 12552, 12976, 14598, 15690, 16220, 16736, 18828, 19464, 20920, 23535, 24330, 25104, 25952, 29196, 31380, 32440, 33472, 36495, 37656, 38928, 41840, 47070, 48660, 50208, 51904, 58392, 62760, 64880, 72990, 75312, 77856, 83680, 94140, 97320, 100416, 116784, 125520, 129760, 145980, 150624, 155712, 167360, 188280, 194640, 233568, 251040, 259520, 291960, 301248, 376560, 389280, 424153, 467136, 502080, 583920, 753120, 778560, 848306, 1167840, 1272459, 1506240, 1696612, 2120765, 2335680, 2544918, 3393224, 3817377, 4241530, 5089836, 6362295, 6786448, 7634754, 8483060, 10179672, 12724590, 13572896, 15269508, 16966120, 19086885, 20359344, 25449180, 27145792, 30539016, 33932240, 38173770, 40718688, 50898360, 61078032, 67864480, 76347540, 81437376, 101796720, 122156064, 135728960, 152695080, 203593440, 244312128, 305390160, 407186880, 610780320, 1221560640]

約数ペア:

[(1, 1221560640), (2, 610780320), (3, 407186880), (4, 305390160), (5, 244312128), (6, 203593440), (8, 152695080), (9, 135728960), (10, 122156064), (12, 101796720), (15, 81437376), (16, 76347540), (18, 67864480), (20, 61078032), (24, 50898360), (30, 40718688), (32, 38173770), (36, 33932240), (40, 30539016), (45, 27145792), (48, 25449180), (60, 20359344), (64, 19086885), (72, 16966120), (80, 15269508), (90, 13572896), (96, 12724590), (120, 10179672), (144, 8483060), (160, 7634754), (180, 6786448), (192, 6362295), (240, 5089836), (288, 4241530), (320, 3817377), (360, 3393224), (480, 2544918), (523, 2335680), (576, 2120765), (720, 1696612), (811, 1506240), (960, 1272459), (1046, 1167840), (1440, 848306), (1569, 778560), (1622, 753120), (2092, 583920), (2433, 502080), (2615, 467136), (2880, 424153), (3138, 389280), (3244, 376560), (4055, 301248), (4184, 291960), (4707, 259520), (4866, 251040), (5230, 233568), (6276, 194640), (6488, 188280), (7299, 167360), (7845, 155712), (8110, 150624), (8368, 145980), (9414, 129760), (9732, 125520), (10460, 116784), (12165, 100416), (12552, 97320), (12976, 94140), (14598, 83680), (15690, 77856), (16220, 75312), (16736, 72990), (18828, 64880), (19464, 62760), (20920, 58392), (23535, 51904), (24330, 50208), (25104, 48660), (25952, 47070), (29196, 41840), (31380, 38928), (32440, 37656), (33472, 36495)]