648492040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1543}}^1$

素因数の和:1659

約数の個数: 128

約数和(自身を含む): 1778688000

約数和(自身を除く): 1130195960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 79, 95, 133, 140, 152, 158, 190, 266, 280, 316, 380, 395, 532, 553, 632, 665, 760, 790, 1064, 1106, 1330, 1501, 1543, 1580, 2212, 2660, 2765, 3002, 3086, 3160, 4424, 5320, 5530, 6004, 6172, 7505, 7715, 10507, 10801, 11060, 12008, 12344, 15010, 15430, 21014, 21602, 22120, 29317, 30020, 30860, 42028, 43204, 52535, 54005, 58634, 60040, 61720, 84056, 86408, 105070, 108010, 117268, 121897, 146585, 205219, 210140, 216020, 234536, 243794, 293170, 410438, 420280, 432040, 487588, 586340, 609485, 820876, 853279, 975176, 1026095, 1172680, 1218970, 1641752, 1706558, 2052190, 2316043, 2437940, 3413116, 4104380, 4266395, 4632086, 4875880, 6826232, 8208760, 8532790, 9264172, 11580215, 16212301, 17065580, 18528344, 23160430, 32424602, 34131160, 46320860, 64849204, 81061505, 92641720, 129698408, 162123010, 324246020, 648492040]

約数ペア:

[(1, 648492040), (2, 324246020), (4, 162123010), (5, 129698408), (7, 92641720), (8, 81061505), (10, 64849204), (14, 46320860), (19, 34131160), (20, 32424602), (28, 23160430), (35, 18528344), (38, 17065580), (40, 16212301), (56, 11580215), (70, 9264172), (76, 8532790), (79, 8208760), (95, 6826232), (133, 4875880), (140, 4632086), (152, 4266395), (158, 4104380), (190, 3413116), (266, 2437940), (280, 2316043), (316, 2052190), (380, 1706558), (395, 1641752), (532, 1218970), (553, 1172680), (632, 1026095), (665, 975176), (760, 853279), (790, 820876), (1064, 609485), (1106, 586340), (1330, 487588), (1501, 432040), (1543, 420280), (1580, 410438), (2212, 293170), (2660, 243794), (2765, 234536), (3002, 216020), (3086, 210140), (3160, 205219), (4424, 146585), (5320, 121897), (5530, 117268), (6004, 108010), (6172, 105070), (7505, 86408), (7715, 84056), (10507, 61720), (10801, 60040), (11060, 58634), (12008, 54005), (12344, 52535), (15010, 43204), (15430, 42028), (21014, 30860), (21602, 30020), (22120, 29317)]