28714680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 97592040

約数和(自身を除く): 68877360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 83, 90, 93, 120, 124, 155, 166, 180, 186, 248, 249, 279, 310, 332, 360, 372, 415, 465, 498, 558, 620, 664, 744, 747, 830, 930, 961, 996, 1116, 1240, 1245, 1395, 1494, 1660, 1860, 1922, 1992, 2232, 2490, 2573, 2790, 2883, 2988, 3320, 3720, 3735, 3844, 4805, 4980, 5146, 5580, 5766, 5976, 7470, 7688, 7719, 8649, 9610, 9960, 10292, 11160, 11532, 12865, 14415, 14940, 15438, 17298, 19220, 20584, 23064, 23157, 25730, 28830, 29880, 30876, 34596, 38440, 38595, 43245, 46314, 51460, 57660, 61752, 69192, 77190, 79763, 86490, 92628, 102920, 115320, 115785, 154380, 159526, 172980, 185256, 231570, 239289, 308760, 319052, 345960, 398815, 463140, 478578, 638104, 717867, 797630, 926280, 957156, 1196445, 1435734, 1595260, 1914312, 2392890, 2871468, 3190520, 3589335, 4785780, 5742936, 7178670, 9571560, 14357340, 28714680]

約数ペア:

[(1, 28714680), (2, 14357340), (3, 9571560), (4, 7178670), (5, 5742936), (6, 4785780), (8, 3589335), (9, 3190520), (10, 2871468), (12, 2392890), (15, 1914312), (18, 1595260), (20, 1435734), (24, 1196445), (30, 957156), (31, 926280), (36, 797630), (40, 717867), (45, 638104), (60, 478578), (62, 463140), (72, 398815), (83, 345960), (90, 319052), (93, 308760), (120, 239289), (124, 231570), (155, 185256), (166, 172980), (180, 159526), (186, 154380), (248, 115785), (249, 115320), (279, 102920), (310, 92628), (332, 86490), (360, 79763), (372, 77190), (415, 69192), (465, 61752), (498, 57660), (558, 51460), (620, 46314), (664, 43245), (744, 38595), (747, 38440), (830, 34596), (930, 30876), (961, 29880), (996, 28830), (1116, 25730), (1240, 23157), (1245, 23064), (1395, 20584), (1494, 19220), (1660, 17298), (1860, 15438), (1922, 14940), (1992, 14415), (2232, 12865), (2490, 11532), (2573, 11160), (2790, 10292), (2883, 9960), (2988, 9610), (3320, 8649), (3720, 7719), (3735, 7688), (3844, 7470), (4805, 5976), (4980, 5766), (5146, 5580)]