128215080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{613}}^1$

素因数の和:720

約数の個数: 192

約数和(自身を含む): 482751360

約数和(自身を除く): 354536280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 83, 84, 90, 105, 120, 126, 140, 166, 168, 180, 210, 249, 252, 280, 315, 332, 360, 415, 420, 498, 504, 581, 613, 630, 664, 747, 830, 840, 996, 1162, 1226, 1245, 1260, 1494, 1660, 1743, 1839, 1992, 2324, 2452, 2490, 2520, 2905, 2988, 3065, 3320, 3486, 3678, 3735, 4291, 4648, 4904, 4980, 5229, 5517, 5810, 5976, 6130, 6972, 7356, 7470, 8582, 8715, 9195, 9960, 10458, 11034, 11620, 12260, 12873, 13944, 14712, 14940, 17164, 17430, 18390, 20916, 21455, 22068, 23240, 24520, 25746, 26145, 27585, 29880, 34328, 34860, 36780, 38619, 41832, 42910, 44136, 50879, 51492, 52290, 55170, 64365, 69720, 73560, 77238, 85820, 101758, 102984, 104580, 110340, 128730, 152637, 154476, 171640, 193095, 203516, 209160, 220680, 254395, 257460, 305274, 308952, 356153, 386190, 407032, 457911, 508790, 514920, 610548, 712306, 763185, 772380, 915822, 1017580, 1068459, 1221096, 1424612, 1526370, 1544760, 1780765, 1831644, 2035160, 2136918, 2289555, 2849224, 3052740, 3205377, 3561530, 3663288, 4273836, 4579110, 5342295, 6105480, 6410754, 7123060, 8547672, 9158220, 10684590, 12821508, 14246120, 16026885, 18316440, 21369180, 25643016, 32053770, 42738360, 64107540, 128215080]

約数ペア:

[(1, 128215080), (2, 64107540), (3, 42738360), (4, 32053770), (5, 25643016), (6, 21369180), (7, 18316440), (8, 16026885), (9, 14246120), (10, 12821508), (12, 10684590), (14, 9158220), (15, 8547672), (18, 7123060), (20, 6410754), (21, 6105480), (24, 5342295), (28, 4579110), (30, 4273836), (35, 3663288), (36, 3561530), (40, 3205377), (42, 3052740), (45, 2849224), (56, 2289555), (60, 2136918), (63, 2035160), (70, 1831644), (72, 1780765), (83, 1544760), (84, 1526370), (90, 1424612), (105, 1221096), (120, 1068459), (126, 1017580), (140, 915822), (166, 772380), (168, 763185), (180, 712306), (210, 610548), (249, 514920), (252, 508790), (280, 457911), (315, 407032), (332, 386190), (360, 356153), (415, 308952), (420, 305274), (498, 257460), (504, 254395), (581, 220680), (613, 209160), (630, 203516), (664, 193095), (747, 171640), (830, 154476), (840, 152637), (996, 128730), (1162, 110340), (1226, 104580), (1245, 102984), (1260, 101758), (1494, 85820), (1660, 77238), (1743, 73560), (1839, 69720), (1992, 64365), (2324, 55170), (2452, 52290), (2490, 51492), (2520, 50879), (2905, 44136), (2988, 42910), (3065, 41832), (3320, 38619), (3486, 36780), (3678, 34860), (3735, 34328), (4291, 29880), (4648, 27585), (4904, 26145), (4980, 25746), (5229, 24520), (5517, 23240), (5810, 22068), (5976, 21455), (6130, 20916), (6972, 18390), (7356, 17430), (7470, 17164), (8582, 14940), (8715, 14712), (9195, 13944), (9960, 12873), (10458, 12260), (11034, 11620)]