311949320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 777288960

約数和(自身を除く): 465339640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 67, 68, 82, 85, 134, 136, 164, 167, 170, 205, 268, 328, 334, 335, 340, 410, 536, 668, 670, 680, 697, 820, 835, 1139, 1336, 1340, 1394, 1640, 1670, 2278, 2680, 2747, 2788, 2839, 3340, 3485, 4556, 5494, 5576, 5678, 5695, 6680, 6847, 6970, 9112, 10988, 11189, 11356, 11390, 13694, 13735, 13940, 14195, 21976, 22378, 22712, 22780, 27388, 27470, 27880, 28390, 34235, 44756, 45560, 46699, 54776, 54940, 55945, 56780, 68470, 89512, 93398, 109880, 111890, 113560, 116399, 136940, 186796, 190213, 223780, 232798, 233495, 273880, 373592, 380426, 447560, 458749, 465596, 466990, 581995, 760852, 917498, 931192, 933980, 951065, 1163990, 1521704, 1834996, 1867960, 1902130, 2293745, 2327980, 3669992, 3804260, 4587490, 4655960, 7608520, 7798733, 9174980, 15597466, 18349960, 31194932, 38993665, 62389864, 77987330, 155974660, 311949320]

約数ペア:

[(1, 311949320), (2, 155974660), (4, 77987330), (5, 62389864), (8, 38993665), (10, 31194932), (17, 18349960), (20, 15597466), (34, 9174980), (40, 7798733), (41, 7608520), (67, 4655960), (68, 4587490), (82, 3804260), (85, 3669992), (134, 2327980), (136, 2293745), (164, 1902130), (167, 1867960), (170, 1834996), (205, 1521704), (268, 1163990), (328, 951065), (334, 933980), (335, 931192), (340, 917498), (410, 760852), (536, 581995), (668, 466990), (670, 465596), (680, 458749), (697, 447560), (820, 380426), (835, 373592), (1139, 273880), (1336, 233495), (1340, 232798), (1394, 223780), (1640, 190213), (1670, 186796), (2278, 136940), (2680, 116399), (2747, 113560), (2788, 111890), (2839, 109880), (3340, 93398), (3485, 89512), (4556, 68470), (5494, 56780), (5576, 55945), (5678, 54940), (5695, 54776), (6680, 46699), (6847, 45560), (6970, 44756), (9112, 34235), (10988, 28390), (11189, 27880), (11356, 27470), (11390, 27388), (13694, 22780), (13735, 22712), (13940, 22378), (14195, 21976)]