128445720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{601}}^1$

素因数の和:765

約数の個数: 128

約数和(自身を含む): 418703040

約数和(自身を除く): 290257320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 137, 156, 195, 260, 274, 312, 390, 411, 520, 548, 601, 685, 780, 822, 1096, 1202, 1370, 1560, 1644, 1781, 1803, 2055, 2404, 2740, 3005, 3288, 3562, 3606, 4110, 4808, 5343, 5480, 6010, 7124, 7212, 7813, 8220, 8905, 9015, 10686, 12020, 14248, 14424, 15626, 16440, 17810, 18030, 21372, 23439, 24040, 26715, 31252, 35620, 36060, 39065, 42744, 46878, 53430, 62504, 71240, 72120, 78130, 82337, 93756, 106860, 117195, 156260, 164674, 187512, 213720, 234390, 247011, 312520, 329348, 411685, 468780, 494022, 658696, 823370, 937560, 988044, 1070381, 1235055, 1646740, 1976088, 2140762, 2470110, 3211143, 3293480, 4281524, 4940220, 5351905, 6422286, 8563048, 9880440, 10703810, 12844572, 16055715, 21407620, 25689144, 32111430, 42815240, 64222860, 128445720]

約数ペア:

[(1, 128445720), (2, 64222860), (3, 42815240), (4, 32111430), (5, 25689144), (6, 21407620), (8, 16055715), (10, 12844572), (12, 10703810), (13, 9880440), (15, 8563048), (20, 6422286), (24, 5351905), (26, 4940220), (30, 4281524), (39, 3293480), (40, 3211143), (52, 2470110), (60, 2140762), (65, 1976088), (78, 1646740), (104, 1235055), (120, 1070381), (130, 988044), (137, 937560), (156, 823370), (195, 658696), (260, 494022), (274, 468780), (312, 411685), (390, 329348), (411, 312520), (520, 247011), (548, 234390), (601, 213720), (685, 187512), (780, 164674), (822, 156260), (1096, 117195), (1202, 106860), (1370, 93756), (1560, 82337), (1644, 78130), (1781, 72120), (1803, 71240), (2055, 62504), (2404, 53430), (2740, 46878), (3005, 42744), (3288, 39065), (3562, 36060), (3606, 35620), (4110, 31252), (4808, 26715), (5343, 24040), (5480, 23439), (6010, 21372), (7124, 18030), (7212, 17810), (7813, 16440), (8220, 15626), (8905, 14424), (9015, 14248), (10686, 12020)]