28889520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:411

約数の個数: 160

約数和(自身を含む): 101136384

約数和(自身を除く): 72246864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 110, 120, 124, 132, 155, 165, 176, 186, 220, 240, 248, 264, 310, 330, 341, 353, 372, 440, 465, 496, 528, 620, 660, 682, 706, 744, 880, 930, 1023, 1059, 1240, 1320, 1364, 1412, 1488, 1705, 1765, 1860, 2046, 2118, 2480, 2640, 2728, 2824, 3410, 3530, 3720, 3883, 4092, 4236, 5115, 5295, 5456, 5648, 6820, 7060, 7440, 7766, 8184, 8472, 10230, 10590, 10943, 11649, 13640, 14120, 15532, 16368, 16944, 19415, 20460, 21180, 21886, 23298, 27280, 28240, 31064, 32829, 38830, 40920, 42360, 43772, 46596, 54715, 58245, 62128, 65658, 77660, 81840, 84720, 87544, 93192, 109430, 116490, 120373, 131316, 155320, 164145, 175088, 186384, 218860, 232980, 240746, 262632, 310640, 328290, 361119, 437720, 465960, 481492, 525264, 601865, 656580, 722238, 875440, 931920, 962984, 1203730, 1313160, 1444476, 1805595, 1925968, 2407460, 2626320, 2888952, 3611190, 4814920, 5777904, 7222380, 9629840, 14444760, 28889520]

約数ペア:

[(1, 28889520), (2, 14444760), (3, 9629840), (4, 7222380), (5, 5777904), (6, 4814920), (8, 3611190), (10, 2888952), (11, 2626320), (12, 2407460), (15, 1925968), (16, 1805595), (20, 1444476), (22, 1313160), (24, 1203730), (30, 962984), (31, 931920), (33, 875440), (40, 722238), (44, 656580), (48, 601865), (55, 525264), (60, 481492), (62, 465960), (66, 437720), (80, 361119), (88, 328290), (93, 310640), (110, 262632), (120, 240746), (124, 232980), (132, 218860), (155, 186384), (165, 175088), (176, 164145), (186, 155320), (220, 131316), (240, 120373), (248, 116490), (264, 109430), (310, 93192), (330, 87544), (341, 84720), (353, 81840), (372, 77660), (440, 65658), (465, 62128), (496, 58245), (528, 54715), (620, 46596), (660, 43772), (682, 42360), (706, 40920), (744, 38830), (880, 32829), (930, 31064), (1023, 28240), (1059, 27280), (1240, 23298), (1320, 21886), (1364, 21180), (1412, 20460), (1488, 19415), (1705, 16944), (1765, 16368), (1860, 15532), (2046, 14120), (2118, 13640), (2480, 11649), (2640, 10943), (2728, 10590), (2824, 10230), (3410, 8472), (3530, 8184), (3720, 7766), (3883, 7440), (4092, 7060), (4236, 6820), (5115, 5648), (5295, 5456)]