19928099160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{112741}}^1$

素因数の和:113249

約数の個数: 96

約数和(自身を含む): 64898804880

約数和(自身を除く): 44970705720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 491, 982, 1473, 1964, 2455, 2946, 3928, 4419, 4910, 5892, 7365, 8838, 9820, 11784, 14730, 17676, 19640, 22095, 29460, 35352, 44190, 58920, 88380, 112741, 176760, 225482, 338223, 450964, 563705, 676446, 901928, 1014669, 1127410, 1352892, 1691115, 2029338, 2254820, 2705784, 3382230, 4058676, 4509640, 5073345, 6764460, 8117352, 10146690, 13528920, 20293380, 40586760, 55355831, 110711662, 166067493, 221423324, 276779155, 332134986, 442846648, 498202479, 553558310, 664269972, 830337465, 996404958, 1107116620, 1328539944, 1660674930, 1992809916, 2214233240, 2491012395, 3321349860, 3985619832, 4982024790, 6642699720, 9964049580, 19928099160]

約数ペア:

[(1, 19928099160), (2, 9964049580), (3, 6642699720), (4, 4982024790), (5, 3985619832), (6, 3321349860), (8, 2491012395), (9, 2214233240), (10, 1992809916), (12, 1660674930), (15, 1328539944), (18, 1107116620), (20, 996404958), (24, 830337465), (30, 664269972), (36, 553558310), (40, 498202479), (45, 442846648), (60, 332134986), (72, 276779155), (90, 221423324), (120, 166067493), (180, 110711662), (360, 55355831), (491, 40586760), (982, 20293380), (1473, 13528920), (1964, 10146690), (2455, 8117352), (2946, 6764460), (3928, 5073345), (4419, 4509640), (4910, 4058676), (5892, 3382230), (7365, 2705784), (8838, 2254820), (9820, 2029338), (11784, 1691115), (14730, 1352892), (17676, 1127410), (19640, 1014669), (22095, 901928), (29460, 676446), (35352, 563705), (44190, 450964), (58920, 338223), (88380, 225482), (112741, 176760)]