64200780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:309

約数の個数: 216

約数和(自身を含む): 235282320

約数和(自身を除く): 171081540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 49, 58, 60, 63, 70, 84, 87, 90, 98, 105, 116, 126, 140, 145, 147, 174, 180, 196, 203, 210, 245, 251, 252, 261, 290, 294, 315, 348, 406, 420, 435, 441, 490, 502, 522, 580, 588, 609, 630, 735, 753, 812, 870, 882, 980, 1004, 1015, 1044, 1218, 1255, 1260, 1305, 1421, 1470, 1506, 1740, 1757, 1764, 1827, 2030, 2205, 2259, 2436, 2510, 2610, 2842, 2940, 3012, 3045, 3514, 3654, 3765, 4060, 4263, 4410, 4518, 5020, 5220, 5271, 5684, 6090, 7028, 7105, 7279, 7308, 7530, 8526, 8785, 8820, 9036, 9135, 10542, 11295, 12180, 12299, 12789, 14210, 14558, 15060, 15813, 17052, 17570, 18270, 21084, 21315, 21837, 22590, 24598, 25578, 26355, 28420, 29116, 31626, 35140, 36395, 36540, 36897, 42630, 43674, 45180, 49196, 50953, 51156, 52710, 61495, 63252, 63945, 65511, 72790, 73794, 79065, 85260, 87348, 101906, 105420, 109185, 110691, 122990, 127890, 131022, 145580, 147588, 152859, 158130, 184485, 203812, 218370, 221382, 245980, 254765, 255780, 262044, 305718, 316260, 327555, 356671, 368970, 436740, 442764, 458577, 509530, 553455, 611436, 655110, 713342, 737940, 764295, 917154, 1019060, 1070013, 1106910, 1310220, 1426684, 1528590, 1783355, 1834308, 2140026, 2213820, 2292885, 3057180, 3210039, 3566710, 4280052, 4585770, 5350065, 6420078, 7133420, 9171540, 10700130, 12840156, 16050195, 21400260, 32100390, 64200780]

約数ペア:

[(1, 64200780), (2, 32100390), (3, 21400260), (4, 16050195), (5, 12840156), (6, 10700130), (7, 9171540), (9, 7133420), (10, 6420078), (12, 5350065), (14, 4585770), (15, 4280052), (18, 3566710), (20, 3210039), (21, 3057180), (28, 2292885), (29, 2213820), (30, 2140026), (35, 1834308), (36, 1783355), (42, 1528590), (45, 1426684), (49, 1310220), (58, 1106910), (60, 1070013), (63, 1019060), (70, 917154), (84, 764295), (87, 737940), (90, 713342), (98, 655110), (105, 611436), (116, 553455), (126, 509530), (140, 458577), (145, 442764), (147, 436740), (174, 368970), (180, 356671), (196, 327555), (203, 316260), (210, 305718), (245, 262044), (251, 255780), (252, 254765), (261, 245980), (290, 221382), (294, 218370), (315, 203812), (348, 184485), (406, 158130), (420, 152859), (435, 147588), (441, 145580), (490, 131022), (502, 127890), (522, 122990), (580, 110691), (588, 109185), (609, 105420), (630, 101906), (735, 87348), (753, 85260), (812, 79065), (870, 73794), (882, 72790), (980, 65511), (1004, 63945), (1015, 63252), (1044, 61495), (1218, 52710), (1255, 51156), (1260, 50953), (1305, 49196), (1421, 45180), (1470, 43674), (1506, 42630), (1740, 36897), (1757, 36540), (1764, 36395), (1827, 35140), (2030, 31626), (2205, 29116), (2259, 28420), (2436, 26355), (2510, 25578), (2610, 24598), (2842, 22590), (2940, 21837), (3012, 21315), (3045, 21084), (3514, 18270), (3654, 17570), (3765, 17052), (4060, 15813), (4263, 15060), (4410, 14558), (4518, 14210), (5020, 12789), (5220, 12299), (5271, 12180), (5684, 11295), (6090, 10542), (7028, 9135), (7105, 9036), (7279, 8820), (7308, 8785), (7530, 8526)]