63181720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 174182400

約数和(自身を除く): 111000680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 31, 35, 40, 56, 58, 62, 70, 116, 124, 140, 145, 155, 203, 217, 232, 248, 251, 280, 290, 310, 406, 434, 502, 580, 620, 812, 868, 899, 1004, 1015, 1085, 1160, 1240, 1255, 1624, 1736, 1757, 1798, 2008, 2030, 2170, 2510, 3514, 3596, 4060, 4340, 4495, 5020, 6293, 7028, 7192, 7279, 7781, 8120, 8680, 8785, 8990, 10040, 12586, 14056, 14558, 15562, 17570, 17980, 25172, 29116, 31124, 31465, 35140, 35960, 36395, 38905, 50344, 50953, 54467, 58232, 62248, 62930, 70280, 72790, 77810, 101906, 108934, 125860, 145580, 155620, 203812, 217868, 225649, 251720, 254765, 272335, 291160, 311240, 407624, 435736, 451298, 509530, 544670, 902596, 1019060, 1089340, 1128245, 1579543, 1805192, 2038120, 2178680, 2256490, 3159086, 4512980, 6318172, 7897715, 9025960, 12636344, 15795430, 31590860, 63181720]

約数ペア:

[(1, 63181720), (2, 31590860), (4, 15795430), (5, 12636344), (7, 9025960), (8, 7897715), (10, 6318172), (14, 4512980), (20, 3159086), (28, 2256490), (29, 2178680), (31, 2038120), (35, 1805192), (40, 1579543), (56, 1128245), (58, 1089340), (62, 1019060), (70, 902596), (116, 544670), (124, 509530), (140, 451298), (145, 435736), (155, 407624), (203, 311240), (217, 291160), (232, 272335), (248, 254765), (251, 251720), (280, 225649), (290, 217868), (310, 203812), (406, 155620), (434, 145580), (502, 125860), (580, 108934), (620, 101906), (812, 77810), (868, 72790), (899, 70280), (1004, 62930), (1015, 62248), (1085, 58232), (1160, 54467), (1240, 50953), (1255, 50344), (1624, 38905), (1736, 36395), (1757, 35960), (1798, 35140), (2008, 31465), (2030, 31124), (2170, 29116), (2510, 25172), (3514, 17980), (3596, 17570), (4060, 15562), (4340, 14558), (4495, 14056), (5020, 12586), (6293, 10040), (7028, 8990), (7192, 8785), (7279, 8680), (7781, 8120)]