7281780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 24131520

約数和(自身を除く): 16849740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 59, 60, 66, 68, 85, 102, 110, 118, 121, 132, 165, 170, 177, 187, 204, 220, 236, 242, 255, 295, 330, 340, 354, 363, 374, 484, 510, 561, 590, 605, 649, 660, 708, 726, 748, 885, 935, 1003, 1020, 1122, 1180, 1210, 1298, 1452, 1770, 1815, 1870, 1947, 2006, 2057, 2244, 2420, 2596, 2805, 3009, 3245, 3540, 3630, 3740, 3894, 4012, 4114, 5015, 5610, 6018, 6171, 6490, 7139, 7260, 7788, 8228, 9735, 10030, 10285, 11033, 11220, 12036, 12342, 12980, 14278, 15045, 19470, 20060, 20570, 21417, 22066, 24684, 28556, 30090, 30855, 33099, 35695, 38940, 41140, 42834, 44132, 55165, 60180, 61710, 66198, 71390, 85668, 107085, 110330, 121363, 123420, 132396, 142780, 165495, 214170, 220660, 242726, 330990, 364089, 428340, 485452, 606815, 661980, 728178, 1213630, 1456356, 1820445, 2427260, 3640890, 7281780]

約数ペア:

[(1, 7281780), (2, 3640890), (3, 2427260), (4, 1820445), (5, 1456356), (6, 1213630), (10, 728178), (11, 661980), (12, 606815), (15, 485452), (17, 428340), (20, 364089), (22, 330990), (30, 242726), (33, 220660), (34, 214170), (44, 165495), (51, 142780), (55, 132396), (59, 123420), (60, 121363), (66, 110330), (68, 107085), (85, 85668), (102, 71390), (110, 66198), (118, 61710), (121, 60180), (132, 55165), (165, 44132), (170, 42834), (177, 41140), (187, 38940), (204, 35695), (220, 33099), (236, 30855), (242, 30090), (255, 28556), (295, 24684), (330, 22066), (340, 21417), (354, 20570), (363, 20060), (374, 19470), (484, 15045), (510, 14278), (561, 12980), (590, 12342), (605, 12036), (649, 11220), (660, 11033), (708, 10285), (726, 10030), (748, 9735), (885, 8228), (935, 7788), (1003, 7260), (1020, 7139), (1122, 6490), (1180, 6171), (1210, 6018), (1298, 5610), (1452, 5015), (1770, 4114), (1815, 4012), (1870, 3894), (1947, 3740), (2006, 3630), (2057, 3540), (2244, 3245), (2420, 3009), (2596, 2805)]