82779760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6427}}^1$

素因数の和:6470

約数の個数: 80

約数和(自身を含む): 229556736

約数和(自身を除く): 146776976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6427, 6440, 12854, 12880, 25708, 32135, 44989, 51416, 64270, 89978, 102832, 128540, 147821, 179956, 224945, 257080, 295642, 359912, 449890, 514160, 591284, 719824, 739105, 899780, 1034747, 1182568, 1478210, 1799560, 2069494, 2365136, 2956420, 3599120, 4138988, 5173735, 5912840, 8277976, 10347470, 11825680, 16555952, 20694940, 41389880, 82779760]

約数ペア:

[(1, 82779760), (2, 41389880), (4, 20694940), (5, 16555952), (7, 11825680), (8, 10347470), (10, 8277976), (14, 5912840), (16, 5173735), (20, 4138988), (23, 3599120), (28, 2956420), (35, 2365136), (40, 2069494), (46, 1799560), (56, 1478210), (70, 1182568), (80, 1034747), (92, 899780), (112, 739105), (115, 719824), (140, 591284), (161, 514160), (184, 449890), (230, 359912), (280, 295642), (322, 257080), (368, 224945), (460, 179956), (560, 147821), (644, 128540), (805, 102832), (920, 89978), (1288, 64270), (1610, 51416), (1840, 44989), (2576, 32135), (3220, 25708), (6427, 12880), (6440, 12854)]