81651278880

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{40129}}^1$

素因数の和:40313

約数の個数: 240

約数和(自身を含む): 290003618520

約数和(自身を除く): 208352339640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 157, 160, 162, 180, 216, 240, 270, 288, 314, 324, 360, 405, 432, 471, 480, 540, 628, 648, 720, 785, 810, 864, 942, 1080, 1256, 1296, 1413, 1440, 1570, 1620, 1884, 2160, 2355, 2512, 2592, 2826, 3140, 3240, 3768, 4239, 4320, 4710, 5024, 5652, 6280, 6480, 7065, 7536, 8478, 9420, 11304, 12560, 12717, 12960, 14130, 15072, 16956, 18840, 21195, 22608, 25120, 25434, 28260, 33912, 37680, 40129, 42390, 45216, 50868, 56520, 63585, 67824, 75360, 80258, 84780, 101736, 113040, 120387, 127170, 135648, 160516, 169560, 200645, 203472, 226080, 240774, 254340, 321032, 339120, 361161, 401290, 406944, 481548, 508680, 601935, 642064, 678240, 722322, 802580, 963096, 1017360, 1083483, 1203870, 1284128, 1444644, 1605160, 1805805, 1926192, 2034720, 2166966, 2407740, 2889288, 3210320, 3250449, 3611610, 3852384, 4333932, 4815480, 5417415, 5778576, 6300253, 6420640, 6500898, 7223220, 8667864, 9630960, 10834830, 11557152, 12600506, 13001796, 14446440, 16252245, 17335728, 18900759, 19261920, 21669660, 25201012, 26003592, 28892880, 31501265, 32504490, 34671456, 37801518, 43339320, 50402024, 52007184, 56702277, 57785760, 63002530, 65008980, 75603036, 86678640, 94503795, 100804048, 104014368, 113404554, 126005060, 130017960, 151206072, 170106831, 173357280, 189007590, 201608096, 226809108, 252010120, 260035920, 283511385, 302412144, 340213662, 378015180, 453618216, 504020240, 510320493, 520071840, 567022770, 604824288, 680427324, 756030360, 850534155, 907236432, 1008040480, 1020640986, 1134045540, 1360854648, 1512060720, 1701068310, 1814472864, 2041281972, 2268091080, 2551602465, 2721709296, 3024121440, 3402136620, 4082563944, 4536182160, 5103204930, 5443418592, 6804273240, 8165127888, 9072364320, 10206409860, 13608546480, 16330255776, 20412819720, 27217092960, 40825639440, 81651278880]

約数ペア:

[(1, 81651278880), (2, 40825639440), (3, 27217092960), (4, 20412819720), (5, 16330255776), (6, 13608546480), (8, 10206409860), (9, 9072364320), (10, 8165127888), (12, 6804273240), (15, 5443418592), (16, 5103204930), (18, 4536182160), (20, 4082563944), (24, 3402136620), (27, 3024121440), (30, 2721709296), (32, 2551602465), (36, 2268091080), (40, 2041281972), (45, 1814472864), (48, 1701068310), (54, 1512060720), (60, 1360854648), (72, 1134045540), (80, 1020640986), (81, 1008040480), (90, 907236432), (96, 850534155), (108, 756030360), (120, 680427324), (135, 604824288), (144, 567022770), (157, 520071840), (160, 510320493), (162, 504020240), (180, 453618216), (216, 378015180), (240, 340213662), (270, 302412144), (288, 283511385), (314, 260035920), (324, 252010120), (360, 226809108), (405, 201608096), (432, 189007590), (471, 173357280), (480, 170106831), (540, 151206072), (628, 130017960), (648, 126005060), (720, 113404554), (785, 104014368), (810, 100804048), (864, 94503795), (942, 86678640), (1080, 75603036), (1256, 65008980), (1296, 63002530), (1413, 57785760), (1440, 56702277), (1570, 52007184), (1620, 50402024), (1884, 43339320), (2160, 37801518), (2355, 34671456), (2512, 32504490), (2592, 31501265), (2826, 28892880), (3140, 26003592), (3240, 25201012), (3768, 21669660), (4239, 19261920), (4320, 18900759), (4710, 17335728), (5024, 16252245), (5652, 14446440), (6280, 13001796), (6480, 12600506), (7065, 11557152), (7536, 10834830), (8478, 9630960), (9420, 8667864), (11304, 7223220), (12560, 6500898), (12717, 6420640), (12960, 6300253), (14130, 5778576), (15072, 5417415), (16956, 4815480), (18840, 4333932), (21195, 3852384), (22608, 3611610), (25120, 3250449), (25434, 3210320), (28260, 2889288), (33912, 2407740), (37680, 2166966), (40129, 2034720), (42390, 1926192), (45216, 1805805), (50868, 1605160), (56520, 1444644), (63585, 1284128), (67824, 1203870), (75360, 1083483), (80258, 1017360), (84780, 963096), (101736, 802580), (113040, 722322), (120387, 678240), (127170, 642064), (135648, 601935), (160516, 508680), (169560, 481548), (200645, 406944), (203472, 401290), (226080, 361161), (240774, 339120), (254340, 321032)]