740475720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{197}}^2$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 2464462260

約数和(自身を除く): 1723986540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 53, 60, 72, 90, 106, 120, 159, 180, 197, 212, 265, 318, 360, 394, 424, 477, 530, 591, 636, 788, 795, 954, 985, 1060, 1182, 1272, 1576, 1590, 1773, 1908, 1970, 2120, 2364, 2385, 2955, 3180, 3546, 3816, 3940, 4728, 4770, 5910, 6360, 7092, 7880, 8865, 9540, 10441, 11820, 14184, 17730, 19080, 20882, 23640, 31323, 35460, 38809, 41764, 52205, 62646, 70920, 77618, 83528, 93969, 104410, 116427, 125292, 155236, 156615, 187938, 194045, 208820, 232854, 250584, 310472, 313230, 349281, 375876, 388090, 417640, 465708, 469845, 582135, 626460, 698562, 751752, 776180, 931416, 939690, 1164270, 1252920, 1397124, 1552360, 1746405, 1879380, 2056877, 2328540, 2794248, 3492810, 3758760, 4113754, 4657080, 6170631, 6985620, 8227508, 10284385, 12341262, 13971240, 16455016, 18511893, 20568770, 24682524, 30853155, 37023786, 41137540, 49365048, 61706310, 74047572, 82275080, 92559465, 123412620, 148095144, 185118930, 246825240, 370237860, 740475720]

約数ペア:

[(1, 740475720), (2, 370237860), (3, 246825240), (4, 185118930), (5, 148095144), (6, 123412620), (8, 92559465), (9, 82275080), (10, 74047572), (12, 61706310), (15, 49365048), (18, 41137540), (20, 37023786), (24, 30853155), (30, 24682524), (36, 20568770), (40, 18511893), (45, 16455016), (53, 13971240), (60, 12341262), (72, 10284385), (90, 8227508), (106, 6985620), (120, 6170631), (159, 4657080), (180, 4113754), (197, 3758760), (212, 3492810), (265, 2794248), (318, 2328540), (360, 2056877), (394, 1879380), (424, 1746405), (477, 1552360), (530, 1397124), (591, 1252920), (636, 1164270), (788, 939690), (795, 931416), (954, 776180), (985, 751752), (1060, 698562), (1182, 626460), (1272, 582135), (1576, 469845), (1590, 465708), (1773, 417640), (1908, 388090), (1970, 375876), (2120, 349281), (2364, 313230), (2385, 310472), (2955, 250584), (3180, 232854), (3546, 208820), (3816, 194045), (3940, 187938), (4728, 156615), (4770, 155236), (5910, 125292), (6360, 116427), (7092, 104410), (7880, 93969), (8865, 83528), (9540, 77618), (10441, 70920), (11820, 62646), (14184, 52205), (17730, 41764), (19080, 38809), (20882, 35460), (23640, 31323)]