86291820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 276232320

約数和(自身を除く): 189940500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 61, 87, 90, 116, 122, 145, 174, 180, 183, 244, 261, 271, 290, 305, 348, 366, 435, 522, 542, 549, 580, 610, 732, 813, 870, 915, 1044, 1084, 1098, 1220, 1305, 1355, 1626, 1740, 1769, 1830, 2196, 2439, 2610, 2710, 2745, 3252, 3538, 3660, 4065, 4878, 5220, 5307, 5420, 5490, 7076, 7859, 8130, 8845, 9756, 10614, 10980, 12195, 15718, 15921, 16260, 16531, 17690, 21228, 23577, 24390, 26535, 31436, 31842, 33062, 35380, 39295, 47154, 48780, 49593, 53070, 63684, 66124, 70731, 78590, 79605, 82655, 94308, 99186, 106140, 117885, 141462, 148779, 157180, 159210, 165310, 198372, 235770, 247965, 282924, 297558, 318420, 330620, 353655, 471540, 479399, 495930, 595116, 707310, 743895, 958798, 991860, 1414620, 1438197, 1487790, 1917596, 2396995, 2876394, 2975580, 4314591, 4793990, 5752788, 7190985, 8629182, 9587980, 14381970, 17258364, 21572955, 28763940, 43145910, 86291820]

約数ペア:

[(1, 86291820), (2, 43145910), (3, 28763940), (4, 21572955), (5, 17258364), (6, 14381970), (9, 9587980), (10, 8629182), (12, 7190985), (15, 5752788), (18, 4793990), (20, 4314591), (29, 2975580), (30, 2876394), (36, 2396995), (45, 1917596), (58, 1487790), (60, 1438197), (61, 1414620), (87, 991860), (90, 958798), (116, 743895), (122, 707310), (145, 595116), (174, 495930), (180, 479399), (183, 471540), (244, 353655), (261, 330620), (271, 318420), (290, 297558), (305, 282924), (348, 247965), (366, 235770), (435, 198372), (522, 165310), (542, 159210), (549, 157180), (580, 148779), (610, 141462), (732, 117885), (813, 106140), (870, 99186), (915, 94308), (1044, 82655), (1084, 79605), (1098, 78590), (1220, 70731), (1305, 66124), (1355, 63684), (1626, 53070), (1740, 49593), (1769, 48780), (1830, 47154), (2196, 39295), (2439, 35380), (2610, 33062), (2710, 31842), (2745, 31436), (3252, 26535), (3538, 24390), (3660, 23577), (4065, 21228), (4878, 17690), (5220, 16531), (5307, 16260), (5420, 15921), (5490, 15718), (7076, 12195), (7859, 10980), (8130, 10614), (8845, 9756)]