25155180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 81244800

約数和(自身を除く): 56089620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 61, 79, 87, 90, 116, 122, 145, 158, 174, 180, 183, 237, 244, 261, 290, 305, 316, 348, 366, 395, 435, 474, 522, 549, 580, 610, 711, 732, 790, 870, 915, 948, 1044, 1098, 1185, 1220, 1305, 1422, 1580, 1740, 1769, 1830, 2196, 2291, 2370, 2610, 2745, 2844, 3538, 3555, 3660, 4582, 4740, 4819, 5220, 5307, 5490, 6873, 7076, 7110, 8845, 9164, 9638, 10614, 10980, 11455, 13746, 14220, 14457, 15921, 17690, 19276, 20619, 21228, 22910, 24095, 26535, 27492, 28914, 31842, 34365, 35380, 41238, 43371, 45820, 48190, 53070, 57828, 63684, 68730, 72285, 79605, 82476, 86742, 96380, 103095, 106140, 137460, 139751, 144570, 159210, 173484, 206190, 216855, 279502, 289140, 318420, 412380, 419253, 433710, 559004, 698755, 838506, 867420, 1257759, 1397510, 1677012, 2096265, 2515518, 2795020, 4192530, 5031036, 6288795, 8385060, 12577590, 25155180]

約数ペア:

[(1, 25155180), (2, 12577590), (3, 8385060), (4, 6288795), (5, 5031036), (6, 4192530), (9, 2795020), (10, 2515518), (12, 2096265), (15, 1677012), (18, 1397510), (20, 1257759), (29, 867420), (30, 838506), (36, 698755), (45, 559004), (58, 433710), (60, 419253), (61, 412380), (79, 318420), (87, 289140), (90, 279502), (116, 216855), (122, 206190), (145, 173484), (158, 159210), (174, 144570), (180, 139751), (183, 137460), (237, 106140), (244, 103095), (261, 96380), (290, 86742), (305, 82476), (316, 79605), (348, 72285), (366, 68730), (395, 63684), (435, 57828), (474, 53070), (522, 48190), (549, 45820), (580, 43371), (610, 41238), (711, 35380), (732, 34365), (790, 31842), (870, 28914), (915, 27492), (948, 26535), (1044, 24095), (1098, 22910), (1185, 21228), (1220, 20619), (1305, 19276), (1422, 17690), (1580, 15921), (1740, 14457), (1769, 14220), (1830, 13746), (2196, 11455), (2291, 10980), (2370, 10614), (2610, 9638), (2745, 9164), (2844, 8845), (3538, 7110), (3555, 7076), (3660, 6873), (4582, 5490), (4740, 5307), (4819, 5220)]