72648240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:627

約数の個数: 160

約数和(自身を含む): 260983296

約数和(自身を除く): 188335056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 83, 84, 105, 112, 120, 140, 166, 168, 210, 240, 249, 280, 332, 336, 415, 420, 498, 521, 560, 581, 664, 830, 840, 996, 1042, 1162, 1245, 1328, 1563, 1660, 1680, 1743, 1992, 2084, 2324, 2490, 2605, 2905, 3126, 3320, 3486, 3647, 3984, 4168, 4648, 4980, 5210, 5810, 6252, 6640, 6972, 7294, 7815, 8336, 8715, 9296, 9960, 10420, 10941, 11620, 12504, 13944, 14588, 15630, 17430, 18235, 19920, 20840, 21882, 23240, 25008, 27888, 29176, 31260, 34860, 36470, 41680, 43243, 43764, 46480, 54705, 58352, 62520, 69720, 72940, 86486, 87528, 109410, 125040, 129729, 139440, 145880, 172972, 175056, 216215, 218820, 259458, 291760, 302701, 345944, 432430, 437640, 518916, 605402, 648645, 691888, 864860, 875280, 908103, 1037832, 1210804, 1297290, 1513505, 1729720, 1816206, 2075664, 2421608, 2594580, 3027010, 3459440, 3632412, 4540515, 4843216, 5189160, 6054020, 7264824, 9081030, 10378320, 12108040, 14529648, 18162060, 24216080, 36324120, 72648240]

約数ペア:

[(1, 72648240), (2, 36324120), (3, 24216080), (4, 18162060), (5, 14529648), (6, 12108040), (7, 10378320), (8, 9081030), (10, 7264824), (12, 6054020), (14, 5189160), (15, 4843216), (16, 4540515), (20, 3632412), (21, 3459440), (24, 3027010), (28, 2594580), (30, 2421608), (35, 2075664), (40, 1816206), (42, 1729720), (48, 1513505), (56, 1297290), (60, 1210804), (70, 1037832), (80, 908103), (83, 875280), (84, 864860), (105, 691888), (112, 648645), (120, 605402), (140, 518916), (166, 437640), (168, 432430), (210, 345944), (240, 302701), (249, 291760), (280, 259458), (332, 218820), (336, 216215), (415, 175056), (420, 172972), (498, 145880), (521, 139440), (560, 129729), (581, 125040), (664, 109410), (830, 87528), (840, 86486), (996, 72940), (1042, 69720), (1162, 62520), (1245, 58352), (1328, 54705), (1563, 46480), (1660, 43764), (1680, 43243), (1743, 41680), (1992, 36470), (2084, 34860), (2324, 31260), (2490, 29176), (2605, 27888), (2905, 25008), (3126, 23240), (3320, 21882), (3486, 20840), (3647, 19920), (3984, 18235), (4168, 17430), (4648, 15630), (4980, 14588), (5210, 13944), (5810, 12504), (6252, 11620), (6640, 10941), (6972, 10420), (7294, 9960), (7815, 9296), (8336, 8715)]