248634880

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:308

約数の個数: 160

約数和(自身を含む): 665457408

約数和(自身を除く): 416822528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 241, 248, 256, 260, 310, 320, 403, 416, 482, 496, 512, 520, 620, 640, 806, 832, 964, 992, 1040, 1205, 1240, 1280, 1612, 1664, 1928, 1984, 2015, 2080, 2410, 2480, 2560, 3133, 3224, 3328, 3856, 3968, 4030, 4160, 4820, 4960, 6266, 6448, 6656, 7471, 7712, 7936, 8060, 8320, 9640, 9920, 12532, 12896, 14942, 15424, 15665, 15872, 16120, 16640, 19280, 19840, 25064, 25792, 29884, 30848, 31330, 32240, 33280, 37355, 38560, 39680, 50128, 51584, 59768, 61696, 62660, 64480, 74710, 77120, 79360, 97123, 100256, 103168, 119536, 123392, 125320, 128960, 149420, 154240, 194246, 200512, 206336, 239072, 250640, 257920, 298840, 308480, 388492, 401024, 478144, 485615, 501280, 515840, 597680, 616960, 776984, 802048, 956288, 971230, 1002560, 1031680, 1195360, 1553968, 1604096, 1912576, 1942460, 2005120, 2390720, 3107936, 3825152, 3884920, 4010240, 4781440, 6215872, 7769840, 8020480, 9562880, 12431744, 15539680, 19125760, 24863488, 31079360, 49726976, 62158720, 124317440, 248634880]

約数ペア:

[(1, 248634880), (2, 124317440), (4, 62158720), (5, 49726976), (8, 31079360), (10, 24863488), (13, 19125760), (16, 15539680), (20, 12431744), (26, 9562880), (31, 8020480), (32, 7769840), (40, 6215872), (52, 4781440), (62, 4010240), (64, 3884920), (65, 3825152), (80, 3107936), (104, 2390720), (124, 2005120), (128, 1942460), (130, 1912576), (155, 1604096), (160, 1553968), (208, 1195360), (241, 1031680), (248, 1002560), (256, 971230), (260, 956288), (310, 802048), (320, 776984), (403, 616960), (416, 597680), (482, 515840), (496, 501280), (512, 485615), (520, 478144), (620, 401024), (640, 388492), (806, 308480), (832, 298840), (964, 257920), (992, 250640), (1040, 239072), (1205, 206336), (1240, 200512), (1280, 194246), (1612, 154240), (1664, 149420), (1928, 128960), (1984, 125320), (2015, 123392), (2080, 119536), (2410, 103168), (2480, 100256), (2560, 97123), (3133, 79360), (3224, 77120), (3328, 74710), (3856, 64480), (3968, 62660), (4030, 61696), (4160, 59768), (4820, 51584), (4960, 50128), (6266, 39680), (6448, 38560), (6656, 37355), (7471, 33280), (7712, 32240), (7936, 31330), (8060, 30848), (8320, 29884), (9640, 25792), (9920, 25064), (12532, 19840), (12896, 19280), (14942, 16640), (15424, 16120), (15665, 15872)]