31318080

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:157

約数の個数: 224

約数和(自身を含む): 111922560

約数和(自身を除く): 80604480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 32, 34, 38, 40, 48, 51, 57, 60, 64, 68, 76, 80, 85, 95, 96, 101, 102, 114, 120, 136, 152, 160, 170, 190, 192, 202, 204, 228, 240, 255, 272, 285, 303, 304, 320, 323, 340, 380, 404, 408, 456, 480, 505, 510, 544, 570, 606, 608, 646, 680, 760, 808, 816, 912, 960, 969, 1010, 1020, 1088, 1140, 1212, 1216, 1292, 1360, 1515, 1520, 1615, 1616, 1632, 1717, 1824, 1919, 1938, 2020, 2040, 2280, 2424, 2584, 2720, 3030, 3040, 3230, 3232, 3264, 3434, 3648, 3838, 3876, 4040, 4080, 4560, 4845, 4848, 5151, 5168, 5440, 5757, 6060, 6080, 6460, 6464, 6868, 7676, 7752, 8080, 8160, 8585, 9120, 9595, 9690, 9696, 10302, 10336, 11514, 12120, 12920, 13736, 15352, 15504, 16160, 16320, 17170, 18240, 19190, 19380, 19392, 20604, 20672, 23028, 24240, 25755, 25840, 27472, 28785, 30704, 31008, 32320, 32623, 34340, 38380, 38760, 41208, 46056, 48480, 51510, 51680, 54944, 57570, 61408, 62016, 65246, 68680, 76760, 77520, 82416, 92112, 96960, 97869, 103020, 103360, 109888, 115140, 122816, 130492, 137360, 153520, 155040, 163115, 164832, 184224, 195738, 206040, 230280, 260984, 274720, 307040, 310080, 326230, 329664, 368448, 391476, 412080, 460560, 489345, 521968, 549440, 614080, 652460, 782952, 824160, 921120, 978690, 1043936, 1304920, 1565904, 1648320, 1842240, 1957380, 2087872, 2609840, 3131808, 3914760, 5219680, 6263616, 7829520, 10439360, 15659040, 31318080]

約数ペア:

[(1, 31318080), (2, 15659040), (3, 10439360), (4, 7829520), (5, 6263616), (6, 5219680), (8, 3914760), (10, 3131808), (12, 2609840), (15, 2087872), (16, 1957380), (17, 1842240), (19, 1648320), (20, 1565904), (24, 1304920), (30, 1043936), (32, 978690), (34, 921120), (38, 824160), (40, 782952), (48, 652460), (51, 614080), (57, 549440), (60, 521968), (64, 489345), (68, 460560), (76, 412080), (80, 391476), (85, 368448), (95, 329664), (96, 326230), (101, 310080), (102, 307040), (114, 274720), (120, 260984), (136, 230280), (152, 206040), (160, 195738), (170, 184224), (190, 164832), (192, 163115), (202, 155040), (204, 153520), (228, 137360), (240, 130492), (255, 122816), (272, 115140), (285, 109888), (303, 103360), (304, 103020), (320, 97869), (323, 96960), (340, 92112), (380, 82416), (404, 77520), (408, 76760), (456, 68680), (480, 65246), (505, 62016), (510, 61408), (544, 57570), (570, 54944), (606, 51680), (608, 51510), (646, 48480), (680, 46056), (760, 41208), (808, 38760), (816, 38380), (912, 34340), (960, 32623), (969, 32320), (1010, 31008), (1020, 30704), (1088, 28785), (1140, 27472), (1212, 25840), (1216, 25755), (1292, 24240), (1360, 23028), (1515, 20672), (1520, 20604), (1615, 19392), (1616, 19380), (1632, 19190), (1717, 18240), (1824, 17170), (1919, 16320), (1938, 16160), (2020, 15504), (2040, 15352), (2280, 13736), (2424, 12920), (2584, 12120), (2720, 11514), (3030, 10336), (3040, 10302), (3230, 9696), (3232, 9690), (3264, 9595), (3434, 9120), (3648, 8585), (3838, 8160), (3876, 8080), (4040, 7752), (4080, 7676), (4560, 6868), (4845, 6464), (4848, 6460), (5151, 6080), (5168, 6060), (5440, 5757)]