161878290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1399}}^1$

素因数の和:1464

約数の個数: 128

約数和(自身を含む): 483840000

約数和(自身を除く): 321961710

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 29, 30, 35, 38, 42, 57, 58, 70, 87, 95, 105, 114, 133, 145, 174, 190, 203, 210, 266, 285, 290, 399, 406, 435, 551, 570, 609, 665, 798, 870, 1015, 1102, 1218, 1330, 1399, 1653, 1995, 2030, 2755, 2798, 3045, 3306, 3857, 3990, 4197, 5510, 6090, 6995, 7714, 8265, 8394, 9793, 11571, 13990, 16530, 19285, 19586, 20985, 23142, 26581, 29379, 38570, 40571, 41970, 48965, 53162, 57855, 58758, 79743, 81142, 97930, 115710, 121713, 132905, 146895, 159486, 186067, 202855, 243426, 265810, 283997, 293790, 372134, 398715, 405710, 558201, 567994, 608565, 770849, 797430, 851991, 930335, 1116402, 1217130, 1419985, 1541698, 1703982, 1860670, 2312547, 2791005, 2839970, 3854245, 4259955, 4625094, 5395943, 5582010, 7708490, 8519910, 10791886, 11562735, 16187829, 23125470, 26979715, 32375658, 53959430, 80939145, 161878290]

約数ペア:

[(1, 161878290), (2, 80939145), (3, 53959430), (5, 32375658), (6, 26979715), (7, 23125470), (10, 16187829), (14, 11562735), (15, 10791886), (19, 8519910), (21, 7708490), (29, 5582010), (30, 5395943), (35, 4625094), (38, 4259955), (42, 3854245), (57, 2839970), (58, 2791005), (70, 2312547), (87, 1860670), (95, 1703982), (105, 1541698), (114, 1419985), (133, 1217130), (145, 1116402), (174, 930335), (190, 851991), (203, 797430), (210, 770849), (266, 608565), (285, 567994), (290, 558201), (399, 405710), (406, 398715), (435, 372134), (551, 293790), (570, 283997), (609, 265810), (665, 243426), (798, 202855), (870, 186067), (1015, 159486), (1102, 146895), (1218, 132905), (1330, 121713), (1399, 115710), (1653, 97930), (1995, 81142), (2030, 79743), (2755, 58758), (2798, 57855), (3045, 53162), (3306, 48965), (3857, 41970), (3990, 40571), (4197, 38570), (5510, 29379), (6090, 26581), (6995, 23142), (7714, 20985), (8265, 19586), (8394, 19285), (9793, 16530), (11571, 13990)]