128041620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:342

約数の個数: 192

約数和(自身を含む): 441262080

約数和(自身を除く): 313220460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 79, 84, 85, 102, 105, 119, 140, 158, 170, 204, 210, 227, 237, 238, 255, 316, 340, 357, 395, 420, 454, 474, 476, 510, 553, 595, 681, 714, 790, 908, 948, 1020, 1106, 1135, 1185, 1190, 1343, 1362, 1428, 1580, 1589, 1659, 1785, 2212, 2270, 2370, 2380, 2686, 2724, 2765, 3178, 3318, 3405, 3570, 3859, 4029, 4540, 4740, 4767, 5372, 5530, 6356, 6636, 6715, 6810, 7140, 7718, 7945, 8058, 8295, 9401, 9534, 11060, 11577, 13430, 13620, 15436, 15890, 16116, 16590, 17933, 18802, 19068, 19295, 20145, 23154, 23835, 26860, 27013, 28203, 31780, 33180, 35866, 37604, 38590, 40290, 46308, 47005, 47670, 53799, 54026, 56406, 57885, 71732, 77180, 80580, 81039, 89665, 94010, 95340, 107598, 108052, 112812, 115770, 125531, 135065, 141015, 162078, 179330, 188020, 215196, 231540, 251062, 268995, 270130, 282030, 304861, 324156, 358660, 376593, 405195, 502124, 537990, 540260, 564060, 609722, 627655, 753186, 810390, 914583, 1075980, 1219444, 1255310, 1506372, 1524305, 1620780, 1829166, 1882965, 2134027, 2510620, 3048610, 3658332, 3765930, 4268054, 4572915, 6097220, 6402081, 7531860, 8536108, 9145830, 10670135, 12804162, 18291660, 21340270, 25608324, 32010405, 42680540, 64020810, 128041620]

約数ペア:

[(1, 128041620), (2, 64020810), (3, 42680540), (4, 32010405), (5, 25608324), (6, 21340270), (7, 18291660), (10, 12804162), (12, 10670135), (14, 9145830), (15, 8536108), (17, 7531860), (20, 6402081), (21, 6097220), (28, 4572915), (30, 4268054), (34, 3765930), (35, 3658332), (42, 3048610), (51, 2510620), (60, 2134027), (68, 1882965), (70, 1829166), (79, 1620780), (84, 1524305), (85, 1506372), (102, 1255310), (105, 1219444), (119, 1075980), (140, 914583), (158, 810390), (170, 753186), (204, 627655), (210, 609722), (227, 564060), (237, 540260), (238, 537990), (255, 502124), (316, 405195), (340, 376593), (357, 358660), (395, 324156), (420, 304861), (454, 282030), (474, 270130), (476, 268995), (510, 251062), (553, 231540), (595, 215196), (681, 188020), (714, 179330), (790, 162078), (908, 141015), (948, 135065), (1020, 125531), (1106, 115770), (1135, 112812), (1185, 108052), (1190, 107598), (1343, 95340), (1362, 94010), (1428, 89665), (1580, 81039), (1589, 80580), (1659, 77180), (1785, 71732), (2212, 57885), (2270, 56406), (2370, 54026), (2380, 53799), (2686, 47670), (2724, 47005), (2765, 46308), (3178, 40290), (3318, 38590), (3405, 37604), (3570, 35866), (3859, 33180), (4029, 31780), (4540, 28203), (4740, 27013), (4767, 26860), (5372, 23835), (5530, 23154), (6356, 20145), (6636, 19295), (6715, 19068), (6810, 18802), (7140, 17933), (7718, 16590), (7945, 16116), (8058, 15890), (8295, 15436), (9401, 13620), (9534, 13430), (11060, 11577)]