720103860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{751}}^1\times {\mathrm{761}}^1$

素因数の和:1534

約数の個数: 144

約数和(自身を含む): 2502968832

約数和(自身を除く): 1782864972

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 751, 761, 1260, 1502, 1522, 2253, 2283, 3004, 3044, 3755, 3805, 4506, 4566, 5257, 5327, 6759, 6849, 7510, 7610, 9012, 9132, 10514, 10654, 11265, 11415, 13518, 13698, 15020, 15220, 15771, 15981, 21028, 21308, 22530, 22830, 26285, 26635, 27036, 27396, 31542, 31962, 33795, 34245, 45060, 45660, 47313, 47943, 52570, 53270, 63084, 63924, 67590, 68490, 78855, 79905, 94626, 95886, 105140, 106540, 135180, 136980, 157710, 159810, 189252, 191772, 236565, 239715, 315420, 319620, 473130, 479430, 571511, 946260, 958860, 1143022, 1714533, 2286044, 2857555, 3429066, 4000577, 5143599, 5715110, 6858132, 8001154, 8572665, 10287198, 11430220, 12001731, 16002308, 17145330, 20002885, 20574396, 24003462, 25717995, 34290660, 36005193, 40005770, 48006924, 51435990, 60008655, 72010386, 80011540, 102871980, 120017310, 144020772, 180025965, 240034620, 360051930, 720103860]

約数ペア:

[(1, 720103860), (2, 360051930), (3, 240034620), (4, 180025965), (5, 144020772), (6, 120017310), (7, 102871980), (9, 80011540), (10, 72010386), (12, 60008655), (14, 51435990), (15, 48006924), (18, 40005770), (20, 36005193), (21, 34290660), (28, 25717995), (30, 24003462), (35, 20574396), (36, 20002885), (42, 17145330), (45, 16002308), (60, 12001731), (63, 11430220), (70, 10287198), (84, 8572665), (90, 8001154), (105, 6858132), (126, 5715110), (140, 5143599), (180, 4000577), (210, 3429066), (252, 2857555), (315, 2286044), (420, 1714533), (630, 1143022), (751, 958860), (761, 946260), (1260, 571511), (1502, 479430), (1522, 473130), (2253, 319620), (2283, 315420), (3004, 239715), (3044, 236565), (3755, 191772), (3805, 189252), (4506, 159810), (4566, 157710), (5257, 136980), (5327, 135180), (6759, 106540), (6849, 105140), (7510, 95886), (7610, 94626), (9012, 79905), (9132, 78855), (10514, 68490), (10654, 67590), (11265, 63924), (11415, 63084), (13518, 53270), (13698, 52570), (15020, 47943), (15220, 47313), (15771, 45660), (15981, 45060), (21028, 34245), (21308, 33795), (22530, 31962), (22830, 31542), (26285, 27396), (26635, 27036)]