82778880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{21557}}^1$

素因数の和:21581

約数の個数: 72

約数和(自身を含む): 264387312

約数和(自身を除く): 181608432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 21557, 43114, 64671, 86228, 107785, 129342, 172456, 215570, 258684, 323355, 344912, 431140, 517368, 646710, 689824, 862280, 1034736, 1293420, 1379648, 1724560, 2069472, 2586840, 2759296, 3449120, 4138944, 5173680, 5518592, 6898240, 8277888, 10347360, 13796480, 16555776, 20694720, 27592960, 41389440, 82778880]

約数ペア:

[(1, 82778880), (2, 41389440), (3, 27592960), (4, 20694720), (5, 16555776), (6, 13796480), (8, 10347360), (10, 8277888), (12, 6898240), (15, 5518592), (16, 5173680), (20, 4138944), (24, 3449120), (30, 2759296), (32, 2586840), (40, 2069472), (48, 1724560), (60, 1379648), (64, 1293420), (80, 1034736), (96, 862280), (120, 689824), (128, 646710), (160, 517368), (192, 431140), (240, 344912), (256, 323355), (320, 258684), (384, 215570), (480, 172456), (640, 129342), (768, 107785), (960, 86228), (1280, 64671), (1920, 43114), (3840, 21557)]