128873580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:324

約数の個数: 192

約数和(自身を含む): 425779200

約数和(自身を除く): 296905620

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 43, 44, 55, 57, 60, 66, 76, 86, 95, 110, 114, 129, 132, 165, 172, 190, 209, 215, 220, 228, 239, 258, 285, 330, 380, 418, 430, 473, 478, 516, 570, 627, 645, 660, 717, 817, 836, 860, 946, 956, 1045, 1140, 1195, 1254, 1290, 1419, 1434, 1634, 1892, 2090, 2365, 2390, 2451, 2508, 2580, 2629, 2838, 2868, 3135, 3268, 3585, 4085, 4180, 4541, 4730, 4780, 4902, 5258, 5676, 6270, 7095, 7170, 7887, 8170, 8987, 9082, 9460, 9804, 10277, 10516, 12255, 12540, 13145, 13623, 14190, 14340, 15774, 16340, 17974, 18164, 20554, 22705, 24510, 26290, 26961, 27246, 28380, 30831, 31548, 35948, 39435, 41108, 44935, 45410, 49020, 49951, 51385, 52580, 53922, 54492, 61662, 68115, 78870, 89870, 90820, 99902, 102770, 107844, 113047, 123324, 134805, 136230, 149853, 154155, 157740, 179740, 195263, 199804, 205540, 226094, 249755, 269610, 272460, 299706, 308310, 339141, 390526, 452188, 499510, 539220, 565235, 585789, 599412, 616620, 678282, 749265, 781052, 976315, 999020, 1130470, 1171578, 1356564, 1498530, 1695705, 1952630, 2147893, 2260940, 2343156, 2928945, 2997060, 3391410, 3905260, 4295786, 5857890, 6443679, 6782820, 8591572, 10739465, 11715780, 12887358, 21478930, 25774716, 32218395, 42957860, 64436790, 128873580]

約数ペア:

[(1, 128873580), (2, 64436790), (3, 42957860), (4, 32218395), (5, 25774716), (6, 21478930), (10, 12887358), (11, 11715780), (12, 10739465), (15, 8591572), (19, 6782820), (20, 6443679), (22, 5857890), (30, 4295786), (33, 3905260), (38, 3391410), (43, 2997060), (44, 2928945), (55, 2343156), (57, 2260940), (60, 2147893), (66, 1952630), (76, 1695705), (86, 1498530), (95, 1356564), (110, 1171578), (114, 1130470), (129, 999020), (132, 976315), (165, 781052), (172, 749265), (190, 678282), (209, 616620), (215, 599412), (220, 585789), (228, 565235), (239, 539220), (258, 499510), (285, 452188), (330, 390526), (380, 339141), (418, 308310), (430, 299706), (473, 272460), (478, 269610), (516, 249755), (570, 226094), (627, 205540), (645, 199804), (660, 195263), (717, 179740), (817, 157740), (836, 154155), (860, 149853), (946, 136230), (956, 134805), (1045, 123324), (1140, 113047), (1195, 107844), (1254, 102770), (1290, 99902), (1419, 90820), (1434, 89870), (1634, 78870), (1892, 68115), (2090, 61662), (2365, 54492), (2390, 53922), (2451, 52580), (2508, 51385), (2580, 49951), (2629, 49020), (2838, 45410), (2868, 44935), (3135, 41108), (3268, 39435), (3585, 35948), (4085, 31548), (4180, 30831), (4541, 28380), (4730, 27246), (4780, 26961), (4902, 26290), (5258, 24510), (5676, 22705), (6270, 20554), (7095, 18164), (7170, 17974), (7887, 16340), (8170, 15774), (8987, 14340), (9082, 14190), (9460, 13623), (9804, 13145), (10277, 12540), (10516, 12255)]