1320393315

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:142

約数の個数: 128

約数和(自身を含む): 2525644800

約数和(自身を除く): 1205251485

約数列:

[1, 3, 5, 15, 17, 19, 23, 41, 51, 57, 69, 85, 95, 115, 123, 205, 255, 285, 289, 323, 345, 391, 437, 615, 697, 779, 867, 943, 969, 1173, 1311, 1445, 1615, 1955, 2091, 2185, 2337, 2829, 3485, 3895, 4335, 4715, 4845, 4913, 5491, 5865, 6555, 6647, 7429, 10455, 11685, 11849, 13243, 14145, 14739, 16031, 16473, 17917, 19941, 22287, 24565, 27455, 33235, 35547, 37145, 39729, 48093, 53751, 59245, 66215, 73695, 80155, 82365, 89585, 93347, 99705, 111435, 112999, 126293, 177735, 198645, 201433, 225131, 240465, 268755, 272527, 280041, 304589, 338997, 378879, 466735, 564995, 604299, 631465, 675393, 817581, 913767, 1007165, 1125655, 1362635, 1400205, 1522945, 1694985, 1894395, 2146981, 3021495, 3376965, 3827227, 4087905, 4568835, 4632959, 5178013, 6440943, 10734905, 11481681, 13898877, 15534039, 19136135, 23164795, 25890065, 32204715, 57408405, 69494385, 77670195, 88026221, 264078663, 440131105, 1320393315]

約数ペア:

[(1, 1320393315), (3, 440131105), (5, 264078663), (15, 88026221), (17, 77670195), (19, 69494385), (23, 57408405), (41, 32204715), (51, 25890065), (57, 23164795), (69, 19136135), (85, 15534039), (95, 13898877), (115, 11481681), (123, 10734905), (205, 6440943), (255, 5178013), (285, 4632959), (289, 4568835), (323, 4087905), (345, 3827227), (391, 3376965), (437, 3021495), (615, 2146981), (697, 1894395), (779, 1694985), (867, 1522945), (943, 1400205), (969, 1362635), (1173, 1125655), (1311, 1007165), (1445, 913767), (1615, 817581), (1955, 675393), (2091, 631465), (2185, 604299), (2337, 564995), (2829, 466735), (3485, 378879), (3895, 338997), (4335, 304589), (4715, 280041), (4845, 272527), (4913, 268755), (5491, 240465), (5865, 225131), (6555, 201433), (6647, 198645), (7429, 177735), (10455, 126293), (11685, 112999), (11849, 111435), (13243, 99705), (14145, 93347), (14739, 89585), (16031, 82365), (16473, 80155), (17917, 73695), (19941, 66215), (22287, 59245), (24565, 53751), (27455, 48093), (33235, 39729), (35547, 37145)]