680600180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{3301}}^1$

素因数の和:3397

約数の個数: 72

約数和(自身を含む): 1573508664

約数和(自身を除く): 892908484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 169, 244, 260, 305, 338, 610, 676, 793, 845, 1220, 1586, 1690, 3172, 3301, 3380, 3965, 6602, 7930, 10309, 13204, 15860, 16505, 20618, 33010, 41236, 42913, 51545, 66020, 85826, 103090, 171652, 201361, 206180, 214565, 402722, 429130, 557869, 805444, 858260, 1006805, 1115738, 2013610, 2231476, 2617693, 2789345, 4027220, 5235386, 5578690, 10470772, 11157380, 13088465, 26176930, 34030009, 52353860, 68060018, 136120036, 170150045, 340300090, 680600180]

約数ペア:

[(1, 680600180), (2, 340300090), (4, 170150045), (5, 136120036), (10, 68060018), (13, 52353860), (20, 34030009), (26, 26176930), (52, 13088465), (61, 11157380), (65, 10470772), (122, 5578690), (130, 5235386), (169, 4027220), (244, 2789345), (260, 2617693), (305, 2231476), (338, 2013610), (610, 1115738), (676, 1006805), (793, 858260), (845, 805444), (1220, 557869), (1586, 429130), (1690, 402722), (3172, 214565), (3301, 206180), (3380, 201361), (3965, 171652), (6602, 103090), (7930, 85826), (10309, 66020), (13204, 51545), (15860, 42913), (16505, 41236), (20618, 33010)]