128765000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1$

素因数の和:329

約数の個数: 160

約数和(自身を含む): 372630720

約数和(自身を除く): 243865720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 125, 130, 140, 175, 182, 200, 250, 260, 280, 283, 325, 350, 364, 455, 500, 520, 566, 625, 650, 700, 728, 875, 910, 1000, 1132, 1250, 1300, 1400, 1415, 1625, 1750, 1820, 1981, 2264, 2275, 2500, 2600, 2830, 3250, 3500, 3640, 3679, 3962, 4375, 4550, 5000, 5660, 6500, 7000, 7075, 7358, 7924, 8125, 8750, 9100, 9905, 11320, 11375, 13000, 14150, 14716, 15848, 16250, 17500, 18200, 18395, 19810, 22750, 25753, 28300, 29432, 32500, 35000, 35375, 36790, 39620, 45500, 49525, 51506, 56600, 56875, 65000, 70750, 73580, 79240, 91000, 91975, 99050, 103012, 113750, 128765, 141500, 147160, 176875, 183950, 198100, 206024, 227500, 247625, 257530, 283000, 353750, 367900, 396200, 455000, 459875, 495250, 515060, 643825, 707500, 735800, 919750, 990500, 1030120, 1238125, 1287650, 1415000, 1839500, 1981000, 2299375, 2476250, 2575300, 3219125, 3679000, 4598750, 4952500, 5150600, 6438250, 9197500, 9905000, 12876500, 16095625, 18395000, 25753000, 32191250, 64382500, 128765000]

約数ペア:

[(1, 128765000), (2, 64382500), (4, 32191250), (5, 25753000), (7, 18395000), (8, 16095625), (10, 12876500), (13, 9905000), (14, 9197500), (20, 6438250), (25, 5150600), (26, 4952500), (28, 4598750), (35, 3679000), (40, 3219125), (50, 2575300), (52, 2476250), (56, 2299375), (65, 1981000), (70, 1839500), (91, 1415000), (100, 1287650), (104, 1238125), (125, 1030120), (130, 990500), (140, 919750), (175, 735800), (182, 707500), (200, 643825), (250, 515060), (260, 495250), (280, 459875), (283, 455000), (325, 396200), (350, 367900), (364, 353750), (455, 283000), (500, 257530), (520, 247625), (566, 227500), (625, 206024), (650, 198100), (700, 183950), (728, 176875), (875, 147160), (910, 141500), (1000, 128765), (1132, 113750), (1250, 103012), (1300, 99050), (1400, 91975), (1415, 91000), (1625, 79240), (1750, 73580), (1820, 70750), (1981, 65000), (2264, 56875), (2275, 56600), (2500, 51506), (2600, 49525), (2830, 45500), (3250, 39620), (3500, 36790), (3640, 35375), (3679, 35000), (3962, 32500), (4375, 29432), (4550, 28300), (5000, 25753), (5660, 22750), (6500, 19810), (7000, 18395), (7075, 18200), (7358, 17500), (7924, 16250), (8125, 15848), (8750, 14716), (9100, 14150), (9905, 13000), (11320, 11375)]