28219590

素因数分解:

$2^1\times 3^6\times 5^1\times 7^2\times {\mathrm{79}}^1$

素因数の和:118

約数の個数: 168

約数和(自身を含む): 89713440

約数和(自身を除く): 61493850

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 79, 81, 90, 98, 105, 126, 135, 147, 158, 162, 189, 210, 237, 243, 245, 270, 294, 315, 378, 395, 405, 441, 474, 486, 490, 553, 567, 630, 711, 729, 735, 790, 810, 882, 945, 1106, 1134, 1185, 1215, 1323, 1422, 1458, 1470, 1659, 1701, 1890, 2133, 2205, 2370, 2430, 2646, 2765, 2835, 3318, 3402, 3555, 3645, 3871, 3969, 4266, 4410, 4977, 5103, 5530, 5670, 6399, 6615, 7110, 7290, 7742, 7938, 8295, 8505, 9954, 10206, 10665, 11613, 11907, 12798, 13230, 14931, 16590, 17010, 19197, 19355, 19845, 21330, 23226, 23814, 24885, 25515, 29862, 31995, 34839, 35721, 38394, 38710, 39690, 44793, 49770, 51030, 57591, 58065, 59535, 63990, 69678, 71442, 74655, 89586, 95985, 104517, 115182, 116130, 119070, 134379, 149310, 174195, 178605, 191970, 209034, 223965, 268758, 287955, 313551, 348390, 357210, 403137, 447930, 522585, 575910, 627102, 671895, 806274, 940653, 1045170, 1343790, 1567755, 1881306, 2015685, 2821959, 3135510, 4031370, 4703265, 5643918, 9406530, 14109795, 28219590]

約数ペア:

[(1, 28219590), (2, 14109795), (3, 9406530), (5, 5643918), (6, 4703265), (7, 4031370), (9, 3135510), (10, 2821959), (14, 2015685), (15, 1881306), (18, 1567755), (21, 1343790), (27, 1045170), (30, 940653), (35, 806274), (42, 671895), (45, 627102), (49, 575910), (54, 522585), (63, 447930), (70, 403137), (79, 357210), (81, 348390), (90, 313551), (98, 287955), (105, 268758), (126, 223965), (135, 209034), (147, 191970), (158, 178605), (162, 174195), (189, 149310), (210, 134379), (237, 119070), (243, 116130), (245, 115182), (270, 104517), (294, 95985), (315, 89586), (378, 74655), (395, 71442), (405, 69678), (441, 63990), (474, 59535), (486, 58065), (490, 57591), (553, 51030), (567, 49770), (630, 44793), (711, 39690), (729, 38710), (735, 38394), (790, 35721), (810, 34839), (882, 31995), (945, 29862), (1106, 25515), (1134, 24885), (1185, 23814), (1215, 23226), (1323, 21330), (1422, 19845), (1458, 19355), (1470, 19197), (1659, 17010), (1701, 16590), (1890, 14931), (2133, 13230), (2205, 12798), (2370, 11907), (2430, 11613), (2646, 10665), (2765, 10206), (2835, 9954), (3318, 8505), (3402, 8295), (3555, 7938), (3645, 7742), (3871, 7290), (3969, 7110), (4266, 6615), (4410, 6399), (4977, 5670), (5103, 5530)]