220320828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{617}}^1$

素因数の和:756

約数の個数: 144

約数和(自身を含む): 692852160

約数和(自身を除く): 472531332

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 109, 117, 126, 156, 182, 218, 234, 252, 273, 327, 364, 436, 468, 546, 617, 654, 763, 819, 981, 1092, 1234, 1308, 1417, 1526, 1638, 1851, 1962, 2289, 2468, 2834, 3052, 3276, 3702, 3924, 4251, 4319, 4578, 5553, 5668, 6867, 7404, 8021, 8502, 8638, 9156, 9919, 11106, 12753, 12957, 13734, 16042, 17004, 17276, 19838, 22212, 24063, 25506, 25914, 27468, 29757, 32084, 38871, 39676, 48126, 51012, 51828, 56147, 59514, 67253, 72189, 77742, 89271, 96252, 112294, 119028, 134506, 144378, 155484, 168441, 178542, 201759, 224588, 269012, 288756, 336882, 357084, 403518, 470771, 505323, 605277, 673764, 807036, 874289, 941542, 1010646, 1210554, 1412313, 1748578, 1883084, 2021292, 2421108, 2622867, 2824626, 3497156, 4236939, 5245734, 5649252, 6120023, 7868601, 8473878, 10491468, 12240046, 15737202, 16947756, 18360069, 24480092, 31474404, 36720138, 55080207, 73440276, 110160414, 220320828]

約数ペア:

[(1, 220320828), (2, 110160414), (3, 73440276), (4, 55080207), (6, 36720138), (7, 31474404), (9, 24480092), (12, 18360069), (13, 16947756), (14, 15737202), (18, 12240046), (21, 10491468), (26, 8473878), (28, 7868601), (36, 6120023), (39, 5649252), (42, 5245734), (52, 4236939), (63, 3497156), (78, 2824626), (84, 2622867), (91, 2421108), (109, 2021292), (117, 1883084), (126, 1748578), (156, 1412313), (182, 1210554), (218, 1010646), (234, 941542), (252, 874289), (273, 807036), (327, 673764), (364, 605277), (436, 505323), (468, 470771), (546, 403518), (617, 357084), (654, 336882), (763, 288756), (819, 269012), (981, 224588), (1092, 201759), (1234, 178542), (1308, 168441), (1417, 155484), (1526, 144378), (1638, 134506), (1851, 119028), (1962, 112294), (2289, 96252), (2468, 89271), (2834, 77742), (3052, 72189), (3276, 67253), (3702, 59514), (3924, 56147), (4251, 51828), (4319, 51012), (4578, 48126), (5553, 39676), (5668, 38871), (6867, 32084), (7404, 29757), (8021, 27468), (8502, 25914), (8638, 25506), (9156, 24063), (9919, 22212), (11106, 19838), (12753, 17276), (12957, 17004), (13734, 16042)]