7640820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 26889408

約数和(自身を除く): 19248588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 44, 45, 51, 55, 60, 66, 68, 85, 90, 99, 102, 110, 132, 153, 165, 170, 180, 187, 198, 204, 220, 227, 255, 306, 330, 340, 374, 396, 454, 495, 510, 561, 612, 660, 681, 748, 765, 908, 935, 990, 1020, 1122, 1135, 1362, 1530, 1683, 1870, 1980, 2043, 2244, 2270, 2497, 2724, 2805, 3060, 3366, 3405, 3740, 3859, 4086, 4540, 4994, 5610, 6732, 6810, 7491, 7718, 8172, 8415, 9988, 10215, 11220, 11577, 12485, 13620, 14982, 15436, 16830, 19295, 20430, 22473, 23154, 24970, 29964, 33660, 34731, 37455, 38590, 40860, 42449, 44946, 46308, 49940, 57885, 69462, 74910, 77180, 84898, 89892, 112365, 115770, 127347, 138924, 149820, 169796, 173655, 212245, 224730, 231540, 254694, 347310, 382041, 424490, 449460, 509388, 636735, 694620, 764082, 848980, 1273470, 1528164, 1910205, 2546940, 3820410, 7640820]

約数ペア:

[(1, 7640820), (2, 3820410), (3, 2546940), (4, 1910205), (5, 1528164), (6, 1273470), (9, 848980), (10, 764082), (11, 694620), (12, 636735), (15, 509388), (17, 449460), (18, 424490), (20, 382041), (22, 347310), (30, 254694), (33, 231540), (34, 224730), (36, 212245), (44, 173655), (45, 169796), (51, 149820), (55, 138924), (60, 127347), (66, 115770), (68, 112365), (85, 89892), (90, 84898), (99, 77180), (102, 74910), (110, 69462), (132, 57885), (153, 49940), (165, 46308), (170, 44946), (180, 42449), (187, 40860), (198, 38590), (204, 37455), (220, 34731), (227, 33660), (255, 29964), (306, 24970), (330, 23154), (340, 22473), (374, 20430), (396, 19295), (454, 16830), (495, 15436), (510, 14982), (561, 13620), (612, 12485), (660, 11577), (681, 11220), (748, 10215), (765, 9988), (908, 8415), (935, 8172), (990, 7718), (1020, 7491), (1122, 6810), (1135, 6732), (1362, 5610), (1530, 4994), (1683, 4540), (1870, 4086), (1980, 3859), (2043, 3740), (2244, 3405), (2270, 3366), (2497, 3060), (2724, 2805)]