255799680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{461}}^1$

素因数の和:517

約数の個数: 192

約数和(自身を含む): 868024080

約数和(自身を除く): 612224400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 289, 320, 340, 384, 408, 461, 480, 510, 544, 578, 640, 680, 816, 867, 922, 960, 1020, 1088, 1156, 1360, 1383, 1445, 1632, 1734, 1844, 1920, 2040, 2176, 2305, 2312, 2720, 2766, 2890, 3264, 3468, 3688, 4080, 4335, 4610, 4624, 5440, 5532, 5780, 6528, 6915, 6936, 7376, 7837, 8160, 8670, 9220, 9248, 10880, 11064, 11560, 13830, 13872, 14752, 15674, 16320, 17340, 18440, 18496, 22128, 23120, 23511, 27660, 27744, 29504, 31348, 32640, 34680, 36880, 36992, 39185, 44256, 46240, 47022, 55320, 55488, 59008, 62696, 69360, 73760, 78370, 88512, 92480, 94044, 110640, 110976, 117555, 125392, 133229, 138720, 147520, 156740, 177024, 184960, 188088, 221280, 235110, 250784, 266458, 277440, 295040, 313480, 376176, 399687, 442560, 470220, 501568, 532916, 554880, 626960, 666145, 752352, 799374, 885120, 940440, 1003136, 1065832, 1253920, 1332290, 1504704, 1598748, 1880880, 1998435, 2131664, 2507840, 2664580, 3009408, 3197496, 3761760, 3996870, 4263328, 5015680, 5329160, 6394992, 7523520, 7993740, 8526656, 10658320, 12789984, 15047040, 15987480, 17053312, 21316640, 25579968, 31974960, 42633280, 51159936, 63949920, 85266560, 127899840, 255799680]

約数ペア:

[(1, 255799680), (2, 127899840), (3, 85266560), (4, 63949920), (5, 51159936), (6, 42633280), (8, 31974960), (10, 25579968), (12, 21316640), (15, 17053312), (16, 15987480), (17, 15047040), (20, 12789984), (24, 10658320), (30, 8526656), (32, 7993740), (34, 7523520), (40, 6394992), (48, 5329160), (51, 5015680), (60, 4263328), (64, 3996870), (68, 3761760), (80, 3197496), (85, 3009408), (96, 2664580), (102, 2507840), (120, 2131664), (128, 1998435), (136, 1880880), (160, 1598748), (170, 1504704), (192, 1332290), (204, 1253920), (240, 1065832), (255, 1003136), (272, 940440), (289, 885120), (320, 799374), (340, 752352), (384, 666145), (408, 626960), (461, 554880), (480, 532916), (510, 501568), (544, 470220), (578, 442560), (640, 399687), (680, 376176), (816, 313480), (867, 295040), (922, 277440), (960, 266458), (1020, 250784), (1088, 235110), (1156, 221280), (1360, 188088), (1383, 184960), (1445, 177024), (1632, 156740), (1734, 147520), (1844, 138720), (1920, 133229), (2040, 125392), (2176, 117555), (2305, 110976), (2312, 110640), (2720, 94044), (2766, 92480), (2890, 88512), (3264, 78370), (3468, 73760), (3688, 69360), (4080, 62696), (4335, 59008), (4610, 55488), (4624, 55320), (5440, 47022), (5532, 46240), (5780, 44256), (6528, 39185), (6915, 36992), (6936, 36880), (7376, 34680), (7837, 32640), (8160, 31348), (8670, 29504), (9220, 27744), (9248, 27660), (10880, 23511), (11064, 23120), (11560, 22128), (13830, 18496), (13872, 18440), (14752, 17340), (15674, 16320)]