195800960

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 493516800

約数和(自身を除く): 297715840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 124, 128, 139, 142, 155, 160, 248, 278, 284, 310, 320, 355, 496, 556, 568, 620, 640, 695, 710, 992, 1112, 1136, 1240, 1390, 1420, 1984, 2201, 2224, 2272, 2480, 2780, 2840, 3968, 4309, 4402, 4448, 4544, 4960, 5560, 5680, 8618, 8804, 8896, 9088, 9869, 9920, 11005, 11120, 11360, 17236, 17608, 17792, 19738, 19840, 21545, 22010, 22240, 22720, 34472, 35216, 39476, 43090, 44020, 44480, 45440, 49345, 68944, 70432, 78952, 86180, 88040, 88960, 98690, 137888, 140864, 157904, 172360, 176080, 197380, 275776, 281728, 305939, 315808, 344720, 352160, 394760, 551552, 611878, 631616, 689440, 704320, 789520, 1223756, 1263232, 1378880, 1408640, 1529695, 1579040, 2447512, 2757760, 3059390, 3158080, 4895024, 6118780, 6316160, 9790048, 12237560, 19580096, 24475120, 39160192, 48950240, 97900480, 195800960]

約数ペア:

[(1, 195800960), (2, 97900480), (4, 48950240), (5, 39160192), (8, 24475120), (10, 19580096), (16, 12237560), (20, 9790048), (31, 6316160), (32, 6118780), (40, 4895024), (62, 3158080), (64, 3059390), (71, 2757760), (80, 2447512), (124, 1579040), (128, 1529695), (139, 1408640), (142, 1378880), (155, 1263232), (160, 1223756), (248, 789520), (278, 704320), (284, 689440), (310, 631616), (320, 611878), (355, 551552), (496, 394760), (556, 352160), (568, 344720), (620, 315808), (640, 305939), (695, 281728), (710, 275776), (992, 197380), (1112, 176080), (1136, 172360), (1240, 157904), (1390, 140864), (1420, 137888), (1984, 98690), (2201, 88960), (2224, 88040), (2272, 86180), (2480, 78952), (2780, 70432), (2840, 68944), (3968, 49345), (4309, 45440), (4402, 44480), (4448, 44020), (4544, 43090), (4960, 39476), (5560, 35216), (5680, 34472), (8618, 22720), (8804, 22240), (8896, 22010), (9088, 21545), (9869, 19840), (9920, 19738), (11005, 17792), (11120, 17608), (11360, 17236)]