255757440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4297}}^1$

素因数の和:4350

約数の個数: 128

約数和(自身を含む): 841720320

約数和(自身を除く): 585962880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3968, 4297, 4960, 5952, 7440, 8594, 9920, 11904, 12891, 14880, 17188, 19840, 21485, 25782, 29760, 34376, 42970, 51564, 59520, 64455, 68752, 85940, 103128, 128910, 133207, 137504, 171880, 206256, 257820, 266414, 275008, 343760, 399621, 412512, 515640, 532828, 550016, 666035, 687520, 799242, 825024, 1031280, 1065656, 1332070, 1375040, 1598484, 1650048, 1998105, 2062560, 2131312, 2664140, 2750080, 3196968, 3996210, 4125120, 4262624, 5328280, 6393936, 7992420, 8250240, 8525248, 10656560, 12787872, 15984840, 17050496, 21313120, 25575744, 31969680, 42626240, 51151488, 63939360, 85252480, 127878720, 255757440]

約数ペア:

[(1, 255757440), (2, 127878720), (3, 85252480), (4, 63939360), (5, 51151488), (6, 42626240), (8, 31969680), (10, 25575744), (12, 21313120), (15, 17050496), (16, 15984840), (20, 12787872), (24, 10656560), (30, 8525248), (31, 8250240), (32, 7992420), (40, 6393936), (48, 5328280), (60, 4262624), (62, 4125120), (64, 3996210), (80, 3196968), (93, 2750080), (96, 2664140), (120, 2131312), (124, 2062560), (128, 1998105), (155, 1650048), (160, 1598484), (186, 1375040), (192, 1332070), (240, 1065656), (248, 1031280), (310, 825024), (320, 799242), (372, 687520), (384, 666035), (465, 550016), (480, 532828), (496, 515640), (620, 412512), (640, 399621), (744, 343760), (930, 275008), (960, 266414), (992, 257820), (1240, 206256), (1488, 171880), (1860, 137504), (1920, 133207), (1984, 128910), (2480, 103128), (2976, 85940), (3720, 68752), (3968, 64455), (4297, 59520), (4960, 51564), (5952, 42970), (7440, 34376), (8594, 29760), (9920, 25782), (11904, 21485), (12891, 19840), (14880, 17188)]