31122840

素因数分解:

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

素因数の和:174

約数の個数: 192

約数和(自身を含む): 111628800

約数和(自身を除く): 80505960

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, 392, 395, 402, 420, 469, 474, 490, 536, 553, 588, 632, 670, 735, 790, 804, 840, 938, 948, 980, 1005, 1106, 1176, 1185, 1340, 1407, 1470, 1580, 1608, 1659, 1876, 1896, 1960, 2010, 2212, 2345, 2370, 2680, 2765, 2814, 2940, 3160, 3283, 3318, 3752, 3871, 4020, 4424, 4690, 4740, 5293, 5530, 5628, 5880, 6566, 6636, 7035, 7742, 8040, 8295, 9380, 9480, 9849, 10586, 11060, 11256, 11613, 13132, 13272, 14070, 15484, 15879, 16415, 16590, 18760, 19355, 19698, 21172, 22120, 23226, 26264, 26465, 28140, 30968, 31758, 32830, 33180, 37051, 38710, 39396, 42344, 46452, 49245, 52930, 56280, 58065, 63516, 65660, 66360, 74102, 77420, 78792, 79395, 92904, 98490, 105860, 111153, 116130, 127032, 131320, 148204, 154840, 158790, 185255, 196980, 211720, 222306, 232260, 259357, 296408, 317580, 370510, 393960, 444612, 464520, 518714, 555765, 635160, 741020, 778071, 889224, 1037428, 1111530, 1296785, 1482040, 1556142, 2074856, 2223060, 2593570, 3112284, 3890355, 4446120, 5187140, 6224568, 7780710, 10374280, 15561420, 31122840]

約数ペア:

[(1, 31122840), (2, 15561420), (3, 10374280), (4, 7780710), (5, 6224568), (6, 5187140), (7, 4446120), (8, 3890355), (10, 3112284), (12, 2593570), (14, 2223060), (15, 2074856), (20, 1556142), (21, 1482040), (24, 1296785), (28, 1111530), (30, 1037428), (35, 889224), (40, 778071), (42, 741020), (49, 635160), (56, 555765), (60, 518714), (67, 464520), (70, 444612), (79, 393960), (84, 370510), (98, 317580), (105, 296408), (120, 259357), (134, 232260), (140, 222306), (147, 211720), (158, 196980), (168, 185255), (196, 158790), (201, 154840), (210, 148204), (237, 131320), (245, 127032), (268, 116130), (280, 111153), (294, 105860), (316, 98490), (335, 92904), (392, 79395), (395, 78792), (402, 77420), (420, 74102), (469, 66360), (474, 65660), (490, 63516), (536, 58065), (553, 56280), (588, 52930), (632, 49245), (670, 46452), (735, 42344), (790, 39396), (804, 38710), (840, 37051), (938, 33180), (948, 32830), (980, 31758), (1005, 30968), (1106, 28140), (1176, 26465), (1185, 26264), (1340, 23226), (1407, 22120), (1470, 21172), (1580, 19698), (1608, 19355), (1659, 18760), (1876, 16590), (1896, 16415), (1960, 15879), (2010, 15484), (2212, 14070), (2345, 13272), (2370, 13132), (2680, 11613), (2765, 11256), (2814, 11060), (2940, 10586), (3160, 9849), (3283, 9480), (3318, 9380), (3752, 8295), (3871, 8040), (4020, 7742), (4424, 7035), (4690, 6636), (4740, 6566), (5293, 5880), (5530, 5628)]