68105920

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:266

約数の個数: 112

約数和(自身を含む): 172821600

約数和(自身を除く): 104715680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 41, 58, 64, 80, 82, 116, 145, 160, 164, 179, 205, 232, 290, 320, 328, 358, 410, 464, 580, 656, 716, 820, 895, 928, 1160, 1189, 1312, 1432, 1640, 1790, 1856, 2320, 2378, 2624, 2864, 3280, 3580, 4640, 4756, 5191, 5728, 5945, 6560, 7160, 7339, 9280, 9512, 10382, 11456, 11890, 13120, 14320, 14678, 19024, 20764, 23780, 25955, 28640, 29356, 36695, 38048, 41528, 47560, 51910, 57280, 58712, 73390, 76096, 83056, 95120, 103820, 117424, 146780, 166112, 190240, 207640, 212831, 234848, 293560, 332224, 380480, 415280, 425662, 469696, 587120, 830560, 851324, 1064155, 1174240, 1661120, 1702648, 2128310, 2348480, 3405296, 4256620, 6810592, 8513240, 13621184, 17026480, 34052960, 68105920]

約数ペア:

[(1, 68105920), (2, 34052960), (4, 17026480), (5, 13621184), (8, 8513240), (10, 6810592), (16, 4256620), (20, 3405296), (29, 2348480), (32, 2128310), (40, 1702648), (41, 1661120), (58, 1174240), (64, 1064155), (80, 851324), (82, 830560), (116, 587120), (145, 469696), (160, 425662), (164, 415280), (179, 380480), (205, 332224), (232, 293560), (290, 234848), (320, 212831), (328, 207640), (358, 190240), (410, 166112), (464, 146780), (580, 117424), (656, 103820), (716, 95120), (820, 83056), (895, 76096), (928, 73390), (1160, 58712), (1189, 57280), (1312, 51910), (1432, 47560), (1640, 41528), (1790, 38048), (1856, 36695), (2320, 29356), (2378, 28640), (2624, 25955), (2864, 23780), (3280, 20764), (3580, 19024), (4640, 14678), (4756, 14320), (5191, 13120), (5728, 11890), (5945, 11456), (6560, 10382), (7160, 9512), (7339, 9280)]