80219760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4231}}^1$

素因数の和:4326

約数の個数: 80

約数和(自身を含む): 251888640

約数和(自身を除く): 171668880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1580, 1896, 2370, 3160, 3792, 4231, 4740, 6320, 8462, 9480, 12693, 16924, 18960, 21155, 25386, 33848, 42310, 50772, 63465, 67696, 84620, 101544, 126930, 169240, 203088, 253860, 334249, 338480, 507720, 668498, 1002747, 1015440, 1336996, 1671245, 2005494, 2673992, 3342490, 4010988, 5013735, 5347984, 6684980, 8021976, 10027470, 13369960, 16043952, 20054940, 26739920, 40109880, 80219760]

約数ペア:

[(1, 80219760), (2, 40109880), (3, 26739920), (4, 20054940), (5, 16043952), (6, 13369960), (8, 10027470), (10, 8021976), (12, 6684980), (15, 5347984), (16, 5013735), (20, 4010988), (24, 3342490), (30, 2673992), (40, 2005494), (48, 1671245), (60, 1336996), (79, 1015440), (80, 1002747), (120, 668498), (158, 507720), (237, 338480), (240, 334249), (316, 253860), (395, 203088), (474, 169240), (632, 126930), (790, 101544), (948, 84620), (1185, 67696), (1264, 63465), (1580, 50772), (1896, 42310), (2370, 33848), (3160, 25386), (3792, 21155), (4231, 18960), (4740, 16924), (6320, 12693), (8462, 9480)]