305563160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:721

約数の個数: 128

約数和(自身を含む): 824947200

約数和(自身を除く): 519384040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 43, 56, 70, 82, 86, 140, 164, 172, 205, 215, 280, 287, 301, 328, 344, 410, 430, 574, 602, 619, 820, 860, 1148, 1204, 1238, 1435, 1505, 1640, 1720, 1763, 2296, 2408, 2476, 2870, 3010, 3095, 3526, 4333, 4952, 5740, 6020, 6190, 7052, 8666, 8815, 11480, 12040, 12341, 12380, 14104, 17332, 17630, 21665, 24682, 24760, 25379, 26617, 34664, 35260, 43330, 49364, 50758, 53234, 61705, 70520, 86660, 98728, 101516, 106468, 123410, 126895, 133085, 173320, 177653, 186319, 203032, 212936, 246820, 253790, 266170, 355306, 372638, 493640, 507580, 532340, 710612, 745276, 888265, 931595, 1015160, 1064680, 1091297, 1421224, 1490552, 1776530, 1863190, 2182594, 3553060, 3726380, 4365188, 5456485, 7106120, 7452760, 7639079, 8730376, 10912970, 15278158, 21825940, 30556316, 38195395, 43651880, 61112632, 76390790, 152781580, 305563160]

約数ペア:

[(1, 305563160), (2, 152781580), (4, 76390790), (5, 61112632), (7, 43651880), (8, 38195395), (10, 30556316), (14, 21825940), (20, 15278158), (28, 10912970), (35, 8730376), (40, 7639079), (41, 7452760), (43, 7106120), (56, 5456485), (70, 4365188), (82, 3726380), (86, 3553060), (140, 2182594), (164, 1863190), (172, 1776530), (205, 1490552), (215, 1421224), (280, 1091297), (287, 1064680), (301, 1015160), (328, 931595), (344, 888265), (410, 745276), (430, 710612), (574, 532340), (602, 507580), (619, 493640), (820, 372638), (860, 355306), (1148, 266170), (1204, 253790), (1238, 246820), (1435, 212936), (1505, 203032), (1640, 186319), (1720, 177653), (1763, 173320), (2296, 133085), (2408, 126895), (2476, 123410), (2870, 106468), (3010, 101516), (3095, 98728), (3526, 86660), (4333, 70520), (4952, 61705), (5740, 53234), (6020, 50758), (6190, 49364), (7052, 43330), (8666, 35260), (8815, 34664), (11480, 26617), (12040, 25379), (12341, 24760), (12380, 24682), (14104, 21665), (17332, 17630)]