274555840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2129}}^1$

素因数の和:2190

約数の個数: 112

約数和(自身を含む): 727130880

約数和(自身を除く): 452575040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2129, 2480, 3224, 4030, 4160, 4258, 4960, 6448, 8060, 8516, 9920, 10645, 12896, 16120, 17032, 21290, 25792, 27677, 32240, 34064, 42580, 55354, 64480, 65999, 68128, 85160, 110708, 128960, 131998, 136256, 138385, 170320, 221416, 263996, 276770, 329995, 340640, 442832, 527992, 553540, 659990, 681280, 857987, 885664, 1055984, 1107080, 1319980, 1715974, 1771328, 2111968, 2214160, 2639960, 3431948, 4223936, 4289935, 4428320, 5279920, 6863896, 8579870, 8856640, 10559840, 13727792, 17159740, 21119680, 27455584, 34319480, 54911168, 68638960, 137277920, 274555840]

約数ペア:

[(1, 274555840), (2, 137277920), (4, 68638960), (5, 54911168), (8, 34319480), (10, 27455584), (13, 21119680), (16, 17159740), (20, 13727792), (26, 10559840), (31, 8856640), (32, 8579870), (40, 6863896), (52, 5279920), (62, 4428320), (64, 4289935), (65, 4223936), (80, 3431948), (104, 2639960), (124, 2214160), (130, 2111968), (155, 1771328), (160, 1715974), (208, 1319980), (248, 1107080), (260, 1055984), (310, 885664), (320, 857987), (403, 681280), (416, 659990), (496, 553540), (520, 527992), (620, 442832), (806, 340640), (832, 329995), (992, 276770), (1040, 263996), (1240, 221416), (1612, 170320), (1984, 138385), (2015, 136256), (2080, 131998), (2129, 128960), (2480, 110708), (3224, 85160), (4030, 68128), (4160, 65999), (4258, 64480), (4960, 55354), (6448, 42580), (8060, 34064), (8516, 32240), (9920, 27677), (10645, 25792), (12896, 21290), (16120, 17032)]