28938360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1993}}^1$

素因数の和:2029

約数の個数: 96

約数和(自身を含む): 95472720

約数和(自身を除く): 66534360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 132, 165, 220, 242, 264, 330, 363, 440, 484, 605, 660, 726, 968, 1210, 1320, 1452, 1815, 1993, 2420, 2904, 3630, 3986, 4840, 5979, 7260, 7972, 9965, 11958, 14520, 15944, 19930, 21923, 23916, 29895, 39860, 43846, 47832, 59790, 65769, 79720, 87692, 109615, 119580, 131538, 175384, 219230, 239160, 241153, 263076, 328845, 438460, 482306, 526152, 657690, 723459, 876920, 964612, 1205765, 1315380, 1446918, 1929224, 2411530, 2630760, 2893836, 3617295, 4823060, 5787672, 7234590, 9646120, 14469180, 28938360]

約数ペア:

[(1, 28938360), (2, 14469180), (3, 9646120), (4, 7234590), (5, 5787672), (6, 4823060), (8, 3617295), (10, 2893836), (11, 2630760), (12, 2411530), (15, 1929224), (20, 1446918), (22, 1315380), (24, 1205765), (30, 964612), (33, 876920), (40, 723459), (44, 657690), (55, 526152), (60, 482306), (66, 438460), (88, 328845), (110, 263076), (120, 241153), (121, 239160), (132, 219230), (165, 175384), (220, 131538), (242, 119580), (264, 109615), (330, 87692), (363, 79720), (440, 65769), (484, 59790), (605, 47832), (660, 43846), (726, 39860), (968, 29895), (1210, 23916), (1320, 21923), (1452, 19930), (1815, 15944), (1993, 14520), (2420, 11958), (2904, 9965), (3630, 7972), (3986, 7260), (4840, 5979)]