20385995040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{232081}}^1$

素因数の和:232163

約数の個数: 144

約数和(自身を含む): 70707958776

約数和(自身を除く): 50321963736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 240, 244, 288, 305, 360, 366, 480, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1440, 1464, 1830, 1952, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5490, 5856, 7320, 8784, 9760, 10980, 14640, 17568, 21960, 29280, 43920, 87840, 232081, 464162, 696243, 928324, 1160405, 1392486, 1856648, 2088729, 2320810, 2784972, 3481215, 3713296, 4177458, 4641620, 5569944, 6962430, 7426592, 8354916, 9283240, 10443645, 11139888, 13924860, 14156941, 16709832, 18566480, 20887290, 22279776, 27849720, 28313882, 33419664, 37132960, 41774580, 42470823, 55699440, 56627764, 66839328, 70784705, 83549160, 84941646, 111398880, 113255528, 127412469, 141569410, 167098320, 169883292, 212354115, 226511056, 254824938, 283138820, 334196640, 339766584, 424708230, 453022112, 509649876, 566277640, 637062345, 679533168, 849416460, 1019299752, 1132555280, 1274124690, 1359066336, 1698832920, 2038599504, 2265110560, 2548249380, 3397665840, 4077199008, 5096498760, 6795331680, 10192997520, 20385995040]

約数ペア:

[(1, 20385995040), (2, 10192997520), (3, 6795331680), (4, 5096498760), (5, 4077199008), (6, 3397665840), (8, 2548249380), (9, 2265110560), (10, 2038599504), (12, 1698832920), (15, 1359066336), (16, 1274124690), (18, 1132555280), (20, 1019299752), (24, 849416460), (30, 679533168), (32, 637062345), (36, 566277640), (40, 509649876), (45, 453022112), (48, 424708230), (60, 339766584), (61, 334196640), (72, 283138820), (80, 254824938), (90, 226511056), (96, 212354115), (120, 169883292), (122, 167098320), (144, 141569410), (160, 127412469), (180, 113255528), (183, 111398880), (240, 84941646), (244, 83549160), (288, 70784705), (305, 66839328), (360, 56627764), (366, 55699440), (480, 42470823), (488, 41774580), (549, 37132960), (610, 33419664), (720, 28313882), (732, 27849720), (915, 22279776), (976, 20887290), (1098, 18566480), (1220, 16709832), (1440, 14156941), (1464, 13924860), (1830, 11139888), (1952, 10443645), (2196, 9283240), (2440, 8354916), (2745, 7426592), (2928, 6962430), (3660, 5569944), (4392, 4641620), (4880, 4177458), (5490, 3713296), (5856, 3481215), (7320, 2784972), (8784, 2320810), (9760, 2088729), (10980, 1856648), (14640, 1392486), (17568, 1160405), (21960, 928324), (29280, 696243), (43920, 464162), (87840, 232081)]