128743720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:132

約数の個数: 192

約数和(自身を含む): 369578880

約数和(自身を除く): 240835160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 37, 40, 43, 56, 68, 70, 74, 85, 86, 119, 136, 140, 148, 170, 172, 185, 215, 238, 259, 280, 289, 296, 301, 340, 344, 370, 430, 476, 518, 578, 595, 602, 629, 680, 731, 740, 860, 952, 1036, 1156, 1190, 1204, 1258, 1295, 1445, 1462, 1480, 1505, 1591, 1720, 2023, 2072, 2312, 2380, 2408, 2516, 2590, 2890, 2924, 3010, 3145, 3182, 3655, 4046, 4403, 4760, 5032, 5117, 5180, 5780, 5848, 6020, 6290, 6364, 7310, 7955, 8092, 8806, 10115, 10234, 10360, 10693, 11137, 11560, 12040, 12427, 12580, 12728, 14620, 15910, 16184, 17612, 20230, 20468, 21386, 22015, 22274, 24854, 25160, 25585, 27047, 29240, 31820, 35224, 40460, 40936, 42772, 44030, 44548, 49708, 51170, 53465, 54094, 55685, 62135, 63640, 74851, 80920, 85544, 86989, 88060, 89096, 99416, 102340, 106930, 108188, 111370, 124270, 135235, 149702, 173978, 176120, 189329, 204680, 213860, 216376, 222740, 248540, 270470, 299404, 347956, 374255, 378658, 427720, 434945, 445480, 459799, 497080, 540940, 598808, 695912, 748510, 757316, 869890, 919598, 946645, 1081880, 1497020, 1514632, 1739780, 1839196, 1893290, 2298995, 2994040, 3218593, 3479560, 3678392, 3786580, 4597990, 6437186, 7573160, 9195980, 12874372, 16092965, 18391960, 25748744, 32185930, 64371860, 128743720]

約数ペア:

[(1, 128743720), (2, 64371860), (4, 32185930), (5, 25748744), (7, 18391960), (8, 16092965), (10, 12874372), (14, 9195980), (17, 7573160), (20, 6437186), (28, 4597990), (34, 3786580), (35, 3678392), (37, 3479560), (40, 3218593), (43, 2994040), (56, 2298995), (68, 1893290), (70, 1839196), (74, 1739780), (85, 1514632), (86, 1497020), (119, 1081880), (136, 946645), (140, 919598), (148, 869890), (170, 757316), (172, 748510), (185, 695912), (215, 598808), (238, 540940), (259, 497080), (280, 459799), (289, 445480), (296, 434945), (301, 427720), (340, 378658), (344, 374255), (370, 347956), (430, 299404), (476, 270470), (518, 248540), (578, 222740), (595, 216376), (602, 213860), (629, 204680), (680, 189329), (731, 176120), (740, 173978), (860, 149702), (952, 135235), (1036, 124270), (1156, 111370), (1190, 108188), (1204, 106930), (1258, 102340), (1295, 99416), (1445, 89096), (1462, 88060), (1480, 86989), (1505, 85544), (1591, 80920), (1720, 74851), (2023, 63640), (2072, 62135), (2312, 55685), (2380, 54094), (2408, 53465), (2516, 51170), (2590, 49708), (2890, 44548), (2924, 44030), (3010, 42772), (3145, 40936), (3182, 40460), (3655, 35224), (4046, 31820), (4403, 29240), (4760, 27047), (5032, 25585), (5117, 25160), (5180, 24854), (5780, 22274), (5848, 22015), (6020, 21386), (6290, 20468), (6364, 20230), (7310, 17612), (7955, 16184), (8092, 15910), (8806, 14620), (10115, 12728), (10234, 12580), (10360, 12427), (10693, 12040), (11137, 11560)]