67890560

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:164

約数の個数: 128

約数和(自身を含む): 173024640

約数和(自身を除く): 105134080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 47, 61, 64, 74, 80, 94, 122, 128, 148, 160, 185, 188, 235, 244, 296, 305, 320, 370, 376, 470, 488, 592, 610, 640, 740, 752, 940, 976, 1184, 1220, 1480, 1504, 1739, 1880, 1952, 2257, 2368, 2440, 2867, 2960, 3008, 3478, 3760, 3904, 4514, 4736, 4880, 5734, 5920, 6016, 6956, 7520, 7808, 8695, 9028, 9760, 11285, 11468, 11840, 13912, 14335, 15040, 17390, 18056, 19520, 22570, 22936, 23680, 27824, 28670, 30080, 34780, 36112, 39040, 45140, 45872, 55648, 57340, 69560, 72224, 90280, 91744, 106079, 111296, 114680, 139120, 144448, 180560, 183488, 212158, 222592, 229360, 278240, 288896, 361120, 366976, 424316, 458720, 530395, 556480, 722240, 848632, 917440, 1060790, 1112960, 1444480, 1697264, 1834880, 2121580, 3394528, 4243160, 6789056, 8486320, 13578112, 16972640, 33945280, 67890560]

約数ペア:

[(1, 67890560), (2, 33945280), (4, 16972640), (5, 13578112), (8, 8486320), (10, 6789056), (16, 4243160), (20, 3394528), (32, 2121580), (37, 1834880), (40, 1697264), (47, 1444480), (61, 1112960), (64, 1060790), (74, 917440), (80, 848632), (94, 722240), (122, 556480), (128, 530395), (148, 458720), (160, 424316), (185, 366976), (188, 361120), (235, 288896), (244, 278240), (296, 229360), (305, 222592), (320, 212158), (370, 183488), (376, 180560), (470, 144448), (488, 139120), (592, 114680), (610, 111296), (640, 106079), (740, 91744), (752, 90280), (940, 72224), (976, 69560), (1184, 57340), (1220, 55648), (1480, 45872), (1504, 45140), (1739, 39040), (1880, 36112), (1952, 34780), (2257, 30080), (2368, 28670), (2440, 27824), (2867, 23680), (2960, 22936), (3008, 22570), (3478, 19520), (3760, 18056), (3904, 17390), (4514, 15040), (4736, 14335), (4880, 13912), (5734, 11840), (5920, 11468), (6016, 11285), (6956, 9760), (7520, 9028), (7808, 8695)]