217859880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 256

約数和(自身を含む): 783360000

約数和(自身を除く): 565500120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 67, 70, 79, 84, 98, 105, 120, 134, 140, 147, 158, 168, 196, 201, 210, 237, 245, 268, 280, 294, 316, 335, 343, 392, 395, 402, 420, 469, 474, 490, 536, 553, 588, 632, 670, 686, 735, 790, 804, 840, 938, 948, 980, 1005, 1029, 1106, 1176, 1185, 1340, 1372, 1407, 1470, 1580, 1608, 1659, 1715, 1876, 1896, 1960, 2010, 2058, 2212, 2345, 2370, 2680, 2744, 2765, 2814, 2940, 3160, 3283, 3318, 3430, 3752, 3871, 4020, 4116, 4424, 4690, 4740, 5145, 5293, 5530, 5628, 5880, 6566, 6636, 6860, 7035, 7742, 8040, 8232, 8295, 9380, 9480, 9849, 10290, 10586, 11060, 11256, 11613, 13132, 13272, 13720, 14070, 15484, 15879, 16415, 16590, 18760, 19355, 19698, 20580, 21172, 22120, 22981, 23226, 26264, 26465, 27097, 28140, 30968, 31758, 32830, 33180, 37051, 38710, 39396, 41160, 42344, 45962, 46452, 49245, 52930, 54194, 56280, 58065, 63516, 65660, 66360, 68943, 74102, 77420, 78792, 79395, 81291, 91924, 92904, 98490, 105860, 108388, 111153, 114905, 116130, 127032, 131320, 135485, 137886, 148204, 154840, 158790, 162582, 183848, 185255, 196980, 211720, 216776, 222306, 229810, 232260, 259357, 270970, 275772, 296408, 317580, 325164, 344715, 370510, 393960, 406455, 444612, 459620, 464520, 518714, 541940, 551544, 555765, 635160, 650328, 689430, 741020, 778071, 812910, 889224, 919240, 1037428, 1083880, 1111530, 1296785, 1378860, 1482040, 1556142, 1625820, 1815499, 2074856, 2223060, 2593570, 2757720, 3112284, 3251640, 3630998, 3890355, 4446120, 5187140, 5446497, 6224568, 7261996, 7780710, 9077495, 10374280, 10892994, 14523992, 15561420, 18154990, 21785988, 27232485, 31122840, 36309980, 43571976, 54464970, 72619960, 108929940, 217859880]

約数ペア:

[(1, 217859880), (2, 108929940), (3, 72619960), (4, 54464970), (5, 43571976), (6, 36309980), (7, 31122840), (8, 27232485), (10, 21785988), (12, 18154990), (14, 15561420), (15, 14523992), (20, 10892994), (21, 10374280), (24, 9077495), (28, 7780710), (30, 7261996), (35, 6224568), (40, 5446497), (42, 5187140), (49, 4446120), (56, 3890355), (60, 3630998), (67, 3251640), (70, 3112284), (79, 2757720), (84, 2593570), (98, 2223060), (105, 2074856), (120, 1815499), (134, 1625820), (140, 1556142), (147, 1482040), (158, 1378860), (168, 1296785), (196, 1111530), (201, 1083880), (210, 1037428), (237, 919240), (245, 889224), (268, 812910), (280, 778071), (294, 741020), (316, 689430), (335, 650328), (343, 635160), (392, 555765), (395, 551544), (402, 541940), (420, 518714), (469, 464520), (474, 459620), (490, 444612), (536, 406455), (553, 393960), (588, 370510), (632, 344715), (670, 325164), (686, 317580), (735, 296408), (790, 275772), (804, 270970), (840, 259357), (938, 232260), (948, 229810), (980, 222306), (1005, 216776), (1029, 211720), (1106, 196980), (1176, 185255), (1185, 183848), (1340, 162582), (1372, 158790), (1407, 154840), (1470, 148204), (1580, 137886), (1608, 135485), (1659, 131320), (1715, 127032), (1876, 116130), (1896, 114905), (1960, 111153), (2010, 108388), (2058, 105860), (2212, 98490), (2345, 92904), (2370, 91924), (2680, 81291), (2744, 79395), (2765, 78792), (2814, 77420), (2940, 74102), (3160, 68943), (3283, 66360), (3318, 65660), (3430, 63516), (3752, 58065), (3871, 56280), (4020, 54194), (4116, 52930), (4424, 49245), (4690, 46452), (4740, 45962), (5145, 42344), (5293, 41160), (5530, 39396), (5628, 38710), (5880, 37051), (6566, 33180), (6636, 32830), (6860, 31758), (7035, 30968), (7742, 28140), (8040, 27097), (8232, 26465), (8295, 26264), (9380, 23226), (9480, 22981), (9849, 22120), (10290, 21172), (10586, 20580), (11060, 19698), (11256, 19355), (11613, 18760), (13132, 16590), (13272, 16415), (13720, 15879), (14070, 15484)]