16678357120

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{840643}}^1$

素因数の和:840693

約数の個数: 64

約数和(自身を含む): 41157930240

約数和(自身を除く): 24479573120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19840, 840643, 1681286, 3362572, 4203215, 6725144, 8406430, 13450288, 16812860, 26059933, 26900576, 33625720, 52119866, 53801152, 67251440, 104239732, 107602304, 130299665, 134502880, 208479464, 260599330, 269005760, 416958928, 521198660, 538011520, 833917856, 1042397320, 1667835712, 2084794640, 3335671424, 4169589280, 8339178560, 16678357120]

約数ペア:

[(1, 16678357120), (2, 8339178560), (4, 4169589280), (5, 3335671424), (8, 2084794640), (10, 1667835712), (16, 1042397320), (20, 833917856), (31, 538011520), (32, 521198660), (40, 416958928), (62, 269005760), (64, 260599330), (80, 208479464), (124, 134502880), (128, 130299665), (155, 107602304), (160, 104239732), (248, 67251440), (310, 53801152), (320, 52119866), (496, 33625720), (620, 26900576), (640, 26059933), (992, 16812860), (1240, 13450288), (1984, 8406430), (2480, 6725144), (3968, 4203215), (4960, 3362572), (9920, 1681286), (19840, 840643)]