128431680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:325

約数の個数: 224

約数和(自身を含む): 451640448

約数和(自身を除く): 323208768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 41, 48, 52, 60, 64, 65, 78, 80, 82, 96, 104, 120, 123, 130, 156, 160, 164, 192, 195, 205, 208, 240, 246, 251, 260, 312, 320, 328, 390, 410, 416, 480, 492, 502, 520, 533, 615, 624, 656, 753, 780, 820, 832, 960, 984, 1004, 1040, 1066, 1230, 1248, 1255, 1312, 1506, 1560, 1599, 1640, 1968, 2008, 2080, 2132, 2460, 2496, 2510, 2624, 2665, 3012, 3120, 3198, 3263, 3280, 3765, 3936, 4016, 4160, 4264, 4920, 5020, 5330, 6024, 6240, 6396, 6526, 6560, 7530, 7872, 7995, 8032, 8528, 9789, 9840, 10040, 10291, 10660, 12048, 12480, 12792, 13052, 13120, 15060, 15990, 16064, 16315, 17056, 19578, 19680, 20080, 20582, 21320, 24096, 25584, 26104, 30120, 30873, 31980, 32630, 34112, 39156, 39360, 40160, 41164, 42640, 48192, 48945, 51168, 51455, 52208, 60240, 61746, 63960, 65260, 78312, 80320, 82328, 85280, 97890, 102336, 102910, 104416, 120480, 123492, 127920, 130520, 133783, 154365, 156624, 164656, 170560, 195780, 205820, 208832, 240960, 246984, 255840, 261040, 267566, 308730, 313248, 329312, 391560, 401349, 411640, 493968, 511680, 522080, 535132, 617460, 626496, 658624, 668915, 783120, 802698, 823280, 987936, 1044160, 1070264, 1234920, 1337830, 1566240, 1605396, 1646560, 1975872, 2006745, 2140528, 2469840, 2675660, 3132480, 3210792, 3293120, 4013490, 4281056, 4939680, 5351320, 6421584, 8026980, 8562112, 9879360, 10702640, 12843168, 16053960, 21405280, 25686336, 32107920, 42810560, 64215840, 128431680]

約数ペア:

[(1, 128431680), (2, 64215840), (3, 42810560), (4, 32107920), (5, 25686336), (6, 21405280), (8, 16053960), (10, 12843168), (12, 10702640), (13, 9879360), (15, 8562112), (16, 8026980), (20, 6421584), (24, 5351320), (26, 4939680), (30, 4281056), (32, 4013490), (39, 3293120), (40, 3210792), (41, 3132480), (48, 2675660), (52, 2469840), (60, 2140528), (64, 2006745), (65, 1975872), (78, 1646560), (80, 1605396), (82, 1566240), (96, 1337830), (104, 1234920), (120, 1070264), (123, 1044160), (130, 987936), (156, 823280), (160, 802698), (164, 783120), (192, 668915), (195, 658624), (205, 626496), (208, 617460), (240, 535132), (246, 522080), (251, 511680), (260, 493968), (312, 411640), (320, 401349), (328, 391560), (390, 329312), (410, 313248), (416, 308730), (480, 267566), (492, 261040), (502, 255840), (520, 246984), (533, 240960), (615, 208832), (624, 205820), (656, 195780), (753, 170560), (780, 164656), (820, 156624), (832, 154365), (960, 133783), (984, 130520), (1004, 127920), (1040, 123492), (1066, 120480), (1230, 104416), (1248, 102910), (1255, 102336), (1312, 97890), (1506, 85280), (1560, 82328), (1599, 80320), (1640, 78312), (1968, 65260), (2008, 63960), (2080, 61746), (2132, 60240), (2460, 52208), (2496, 51455), (2510, 51168), (2624, 48945), (2665, 48192), (3012, 42640), (3120, 41164), (3198, 40160), (3263, 39360), (3280, 39156), (3765, 34112), (3936, 32630), (4016, 31980), (4160, 30873), (4264, 30120), (4920, 26104), (5020, 25584), (5330, 24096), (6024, 21320), (6240, 20582), (6396, 20080), (6526, 19680), (6560, 19578), (7530, 17056), (7872, 16315), (7995, 16064), (8032, 15990), (8528, 15060), (9789, 13120), (9840, 13052), (10040, 12792), (10291, 12480), (10660, 12048)]