220232960

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:416

約数の個数: 144

約数和(自身を含む): 579474000

約数和(自身を除く): 359241040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 116, 128, 136, 145, 160, 170, 232, 256, 272, 290, 320, 340, 349, 464, 493, 544, 580, 640, 680, 698, 928, 986, 1088, 1160, 1280, 1360, 1396, 1745, 1856, 1972, 2176, 2320, 2465, 2720, 2792, 3490, 3712, 3944, 4352, 4640, 4930, 5440, 5584, 5933, 6980, 7424, 7888, 9280, 9860, 10121, 10880, 11168, 11866, 13960, 15776, 18560, 19720, 20242, 21760, 22336, 23732, 27920, 29665, 31552, 37120, 39440, 40484, 44672, 47464, 50605, 55840, 59330, 63104, 78880, 80968, 89344, 94928, 101210, 111680, 118660, 126208, 157760, 161936, 172057, 189856, 202420, 223360, 237320, 315520, 323872, 344114, 379712, 404840, 446720, 474640, 631040, 647744, 688228, 759424, 809680, 860285, 949280, 1295488, 1376456, 1518848, 1619360, 1720570, 1898560, 2590976, 2752912, 3238720, 3441140, 3797120, 5505824, 6477440, 6882280, 7594240, 11011648, 12954880, 13764560, 22023296, 27529120, 44046592, 55058240, 110116480, 220232960]

約数ペア:

[(1, 220232960), (2, 110116480), (4, 55058240), (5, 44046592), (8, 27529120), (10, 22023296), (16, 13764560), (17, 12954880), (20, 11011648), (29, 7594240), (32, 6882280), (34, 6477440), (40, 5505824), (58, 3797120), (64, 3441140), (68, 3238720), (80, 2752912), (85, 2590976), (116, 1898560), (128, 1720570), (136, 1619360), (145, 1518848), (160, 1376456), (170, 1295488), (232, 949280), (256, 860285), (272, 809680), (290, 759424), (320, 688228), (340, 647744), (349, 631040), (464, 474640), (493, 446720), (544, 404840), (580, 379712), (640, 344114), (680, 323872), (698, 315520), (928, 237320), (986, 223360), (1088, 202420), (1160, 189856), (1280, 172057), (1360, 161936), (1396, 157760), (1745, 126208), (1856, 118660), (1972, 111680), (2176, 101210), (2320, 94928), (2465, 89344), (2720, 80968), (2792, 78880), (3490, 63104), (3712, 59330), (3944, 55840), (4352, 50605), (4640, 47464), (4930, 44672), (5440, 40484), (5584, 39440), (5933, 37120), (6980, 31552), (7424, 29665), (7888, 27920), (9280, 23732), (9860, 22336), (10121, 21760), (10880, 20242), (11168, 19720), (11866, 18560), (13960, 15776)]