72540720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:452

約数の個数: 240

約数和(自身を含む): 286678080

約数和(自身を除く): 214137360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 48, 56, 60, 63, 70, 72, 74, 80, 84, 90, 105, 111, 112, 120, 126, 140, 144, 148, 168, 180, 185, 210, 222, 240, 252, 259, 280, 296, 315, 333, 336, 360, 370, 389, 420, 444, 504, 518, 555, 560, 592, 630, 666, 720, 740, 777, 778, 840, 888, 1008, 1036, 1110, 1167, 1260, 1295, 1332, 1480, 1554, 1556, 1665, 1680, 1776, 1945, 2072, 2220, 2331, 2334, 2520, 2590, 2664, 2723, 2960, 3108, 3112, 3330, 3501, 3885, 3890, 4144, 4440, 4662, 4668, 5040, 5180, 5328, 5446, 5835, 6216, 6224, 6660, 7002, 7770, 7780, 8169, 8880, 9324, 9336, 10360, 10892, 11655, 11670, 12432, 13320, 13615, 14004, 14393, 15540, 15560, 16338, 17505, 18648, 18672, 20720, 21784, 23310, 23340, 24507, 26640, 27230, 28008, 28786, 31080, 31120, 32676, 35010, 37296, 40845, 43179, 43568, 46620, 46680, 49014, 54460, 56016, 57572, 62160, 65352, 70020, 71965, 81690, 86358, 93240, 93360, 98028, 100751, 108920, 115144, 122535, 129537, 130704, 140040, 143930, 163380, 172716, 186480, 196056, 201502, 215895, 217840, 230288, 245070, 259074, 280080, 287860, 302253, 326760, 345432, 392112, 403004, 431790, 490140, 503755, 518148, 575720, 604506, 647685, 653520, 690864, 806008, 863580, 906759, 980280, 1007510, 1036296, 1151440, 1209012, 1295370, 1511265, 1612016, 1727160, 1813518, 1960560, 2015020, 2072592, 2418024, 2590740, 3022530, 3454320, 3627036, 4030040, 4533795, 4836048, 5181480, 6045060, 7254072, 8060080, 9067590, 10362960, 12090120, 14508144, 18135180, 24180240, 36270360, 72540720]

約数ペア:

[(1, 72540720), (2, 36270360), (3, 24180240), (4, 18135180), (5, 14508144), (6, 12090120), (7, 10362960), (8, 9067590), (9, 8060080), (10, 7254072), (12, 6045060), (14, 5181480), (15, 4836048), (16, 4533795), (18, 4030040), (20, 3627036), (21, 3454320), (24, 3022530), (28, 2590740), (30, 2418024), (35, 2072592), (36, 2015020), (37, 1960560), (40, 1813518), (42, 1727160), (45, 1612016), (48, 1511265), (56, 1295370), (60, 1209012), (63, 1151440), (70, 1036296), (72, 1007510), (74, 980280), (80, 906759), (84, 863580), (90, 806008), (105, 690864), (111, 653520), (112, 647685), (120, 604506), (126, 575720), (140, 518148), (144, 503755), (148, 490140), (168, 431790), (180, 403004), (185, 392112), (210, 345432), (222, 326760), (240, 302253), (252, 287860), (259, 280080), (280, 259074), (296, 245070), (315, 230288), (333, 217840), (336, 215895), (360, 201502), (370, 196056), (389, 186480), (420, 172716), (444, 163380), (504, 143930), (518, 140040), (555, 130704), (560, 129537), (592, 122535), (630, 115144), (666, 108920), (720, 100751), (740, 98028), (777, 93360), (778, 93240), (840, 86358), (888, 81690), (1008, 71965), (1036, 70020), (1110, 65352), (1167, 62160), (1260, 57572), (1295, 56016), (1332, 54460), (1480, 49014), (1554, 46680), (1556, 46620), (1665, 43568), (1680, 43179), (1776, 40845), (1945, 37296), (2072, 35010), (2220, 32676), (2331, 31120), (2334, 31080), (2520, 28786), (2590, 28008), (2664, 27230), (2723, 26640), (2960, 24507), (3108, 23340), (3112, 23310), (3330, 21784), (3501, 20720), (3885, 18672), (3890, 18648), (4144, 17505), (4440, 16338), (4662, 15560), (4668, 15540), (5040, 14393), (5180, 14004), (5328, 13615), (5446, 13320), (5835, 12432), (6216, 11670), (6224, 11655), (6660, 10892), (7002, 10360), (7770, 9336), (7780, 9324), (8169, 8880)]