80071020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:360

約数の個数: 144

約数和(自身を含む): 260402688

約数和(自身を除く): 180331668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 137, 153, 170, 180, 191, 204, 255, 274, 306, 340, 382, 411, 510, 548, 573, 612, 685, 764, 765, 822, 955, 1020, 1146, 1233, 1370, 1530, 1644, 1719, 1910, 2055, 2292, 2329, 2466, 2740, 2865, 3060, 3247, 3438, 3820, 4110, 4658, 4932, 5730, 6165, 6494, 6876, 6987, 8220, 8595, 9316, 9741, 11460, 11645, 12330, 12988, 13974, 16235, 17190, 19482, 20961, 23290, 24660, 26167, 27948, 29223, 32470, 34380, 34935, 38964, 41922, 46580, 48705, 52334, 58446, 64940, 69870, 78501, 83844, 97410, 104668, 104805, 116892, 130835, 139740, 146115, 157002, 194820, 209610, 235503, 261670, 292230, 314004, 392505, 419220, 444839, 471006, 523340, 584460, 785010, 889678, 942012, 1177515, 1334517, 1570020, 1779356, 2224195, 2355030, 2669034, 4003551, 4448390, 4710060, 5338068, 6672585, 8007102, 8896780, 13345170, 16014204, 20017755, 26690340, 40035510, 80071020]

約数ペア:

[(1, 80071020), (2, 40035510), (3, 26690340), (4, 20017755), (5, 16014204), (6, 13345170), (9, 8896780), (10, 8007102), (12, 6672585), (15, 5338068), (17, 4710060), (18, 4448390), (20, 4003551), (30, 2669034), (34, 2355030), (36, 2224195), (45, 1779356), (51, 1570020), (60, 1334517), (68, 1177515), (85, 942012), (90, 889678), (102, 785010), (137, 584460), (153, 523340), (170, 471006), (180, 444839), (191, 419220), (204, 392505), (255, 314004), (274, 292230), (306, 261670), (340, 235503), (382, 209610), (411, 194820), (510, 157002), (548, 146115), (573, 139740), (612, 130835), (685, 116892), (764, 104805), (765, 104668), (822, 97410), (955, 83844), (1020, 78501), (1146, 69870), (1233, 64940), (1370, 58446), (1530, 52334), (1644, 48705), (1719, 46580), (1910, 41922), (2055, 38964), (2292, 34935), (2329, 34380), (2466, 32470), (2740, 29223), (2865, 27948), (3060, 26167), (3247, 24660), (3438, 23290), (3820, 20961), (4110, 19482), (4658, 17190), (4932, 16235), (5730, 13974), (6165, 12988), (6494, 12330), (6876, 11645), (6987, 11460), (8220, 9741), (8595, 9316)]