81620928

素因数分解:

$2^6\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:203

約数の個数: 168

約数和(自身を含む): 250582176

約数和(自身を除く): 168961248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 61, 64, 69, 72, 92, 96, 101, 122, 138, 144, 183, 184, 192, 202, 207, 244, 276, 288, 303, 366, 368, 404, 414, 488, 549, 552, 576, 606, 732, 736, 808, 828, 909, 976, 1098, 1104, 1212, 1403, 1464, 1472, 1616, 1656, 1818, 1952, 2196, 2208, 2323, 2424, 2806, 2928, 3232, 3312, 3636, 3904, 4209, 4392, 4416, 4646, 4848, 5612, 5856, 6161, 6464, 6624, 6969, 7272, 8418, 8784, 9292, 9696, 11224, 11712, 12322, 12627, 13248, 13938, 14544, 16836, 17568, 18483, 18584, 19392, 20907, 22448, 24644, 25254, 27876, 29088, 33672, 35136, 36966, 37168, 41814, 44896, 49288, 50508, 55449, 55752, 58176, 67344, 73932, 74336, 83628, 89792, 98576, 101016, 110898, 111504, 134688, 141703, 147864, 148672, 167256, 197152, 202032, 221796, 223008, 269376, 283406, 295728, 334512, 394304, 404064, 425109, 443592, 446016, 566812, 591456, 669024, 808128, 850218, 887184, 1133624, 1182912, 1275327, 1338048, 1700436, 1774368, 2267248, 2550654, 3400872, 3548736, 4534496, 5101308, 6801744, 9068992, 10202616, 13603488, 20405232, 27206976, 40810464, 81620928]

約数ペア:

[(1, 81620928), (2, 40810464), (3, 27206976), (4, 20405232), (6, 13603488), (8, 10202616), (9, 9068992), (12, 6801744), (16, 5101308), (18, 4534496), (23, 3548736), (24, 3400872), (32, 2550654), (36, 2267248), (46, 1774368), (48, 1700436), (61, 1338048), (64, 1275327), (69, 1182912), (72, 1133624), (92, 887184), (96, 850218), (101, 808128), (122, 669024), (138, 591456), (144, 566812), (183, 446016), (184, 443592), (192, 425109), (202, 404064), (207, 394304), (244, 334512), (276, 295728), (288, 283406), (303, 269376), (366, 223008), (368, 221796), (404, 202032), (414, 197152), (488, 167256), (549, 148672), (552, 147864), (576, 141703), (606, 134688), (732, 111504), (736, 110898), (808, 101016), (828, 98576), (909, 89792), (976, 83628), (1098, 74336), (1104, 73932), (1212, 67344), (1403, 58176), (1464, 55752), (1472, 55449), (1616, 50508), (1656, 49288), (1818, 44896), (1952, 41814), (2196, 37168), (2208, 36966), (2323, 35136), (2424, 33672), (2806, 29088), (2928, 27876), (3232, 25254), (3312, 24644), (3636, 22448), (3904, 20907), (4209, 19392), (4392, 18584), (4416, 18483), (4646, 17568), (4848, 16836), (5612, 14544), (5856, 13938), (6161, 13248), (6464, 12627), (6624, 12322), (6969, 11712), (7272, 11224), (8418, 9696), (8784, 9292)]