1520486520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{3461}}^1$

素因数の和:4005

約数の個数: 128

約数和(自身を含む): 5224573440

約数和(自身を除く): 3704086920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 523, 840, 1046, 1569, 2092, 2615, 3138, 3461, 3661, 4184, 5230, 6276, 6922, 7322, 7845, 10383, 10460, 10983, 12552, 13844, 14644, 15690, 17305, 18305, 20766, 20920, 21966, 24227, 27688, 29288, 31380, 34610, 36610, 41532, 43932, 48454, 51915, 54915, 62760, 69220, 72681, 73220, 83064, 87864, 96908, 103830, 109830, 121135, 138440, 145362, 146440, 193816, 207660, 219660, 242270, 290724, 363405, 415320, 439320, 484540, 581448, 726810, 969080, 1453620, 1810103, 2907240, 3620206, 5430309, 7240412, 9050515, 10860618, 12670721, 14480824, 18101030, 21721236, 25341442, 27151545, 36202060, 38012163, 43442472, 50682884, 54303090, 63353605, 72404120, 76024326, 101365768, 108606180, 126707210, 152048652, 190060815, 217212360, 253414420, 304097304, 380121630, 506828840, 760243260, 1520486520]

約数ペア:

[(1, 1520486520), (2, 760243260), (3, 506828840), (4, 380121630), (5, 304097304), (6, 253414420), (7, 217212360), (8, 190060815), (10, 152048652), (12, 126707210), (14, 108606180), (15, 101365768), (20, 76024326), (21, 72404120), (24, 63353605), (28, 54303090), (30, 50682884), (35, 43442472), (40, 38012163), (42, 36202060), (56, 27151545), (60, 25341442), (70, 21721236), (84, 18101030), (105, 14480824), (120, 12670721), (140, 10860618), (168, 9050515), (210, 7240412), (280, 5430309), (420, 3620206), (523, 2907240), (840, 1810103), (1046, 1453620), (1569, 969080), (2092, 726810), (2615, 581448), (3138, 484540), (3461, 439320), (3661, 415320), (4184, 363405), (5230, 290724), (6276, 242270), (6922, 219660), (7322, 207660), (7845, 193816), (10383, 146440), (10460, 145362), (10983, 138440), (12552, 121135), (13844, 109830), (14644, 103830), (15690, 96908), (17305, 87864), (18305, 83064), (20766, 73220), (20920, 72681), (21966, 69220), (24227, 62760), (27688, 54915), (29288, 51915), (31380, 48454), (34610, 43932), (36610, 41532)]