256976520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2749}}^1$

素因数の和:2823

約数の個数: 128

約数和(自身を含む): 831600000

約数和(自身を除く): 574623480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 41, 57, 60, 76, 82, 95, 114, 120, 123, 152, 164, 190, 205, 228, 246, 285, 328, 380, 410, 456, 492, 570, 615, 760, 779, 820, 984, 1140, 1230, 1558, 1640, 2280, 2337, 2460, 2749, 3116, 3895, 4674, 4920, 5498, 6232, 7790, 8247, 9348, 10996, 11685, 13745, 15580, 16494, 18696, 21992, 23370, 27490, 31160, 32988, 41235, 46740, 52231, 54980, 65976, 82470, 93480, 104462, 109960, 112709, 156693, 164940, 208924, 225418, 261155, 313386, 329880, 338127, 417848, 450836, 522310, 563545, 626772, 676254, 783465, 901672, 1044620, 1127090, 1253544, 1352508, 1566930, 1690635, 2089240, 2141471, 2254180, 2705016, 3133860, 3381270, 4282942, 4508360, 6267720, 6424413, 6762540, 8565884, 10707355, 12848826, 13525080, 17131768, 21414710, 25697652, 32122065, 42829420, 51395304, 64244130, 85658840, 128488260, 256976520]

約数ペア:

[(1, 256976520), (2, 128488260), (3, 85658840), (4, 64244130), (5, 51395304), (6, 42829420), (8, 32122065), (10, 25697652), (12, 21414710), (15, 17131768), (19, 13525080), (20, 12848826), (24, 10707355), (30, 8565884), (38, 6762540), (40, 6424413), (41, 6267720), (57, 4508360), (60, 4282942), (76, 3381270), (82, 3133860), (95, 2705016), (114, 2254180), (120, 2141471), (123, 2089240), (152, 1690635), (164, 1566930), (190, 1352508), (205, 1253544), (228, 1127090), (246, 1044620), (285, 901672), (328, 783465), (380, 676254), (410, 626772), (456, 563545), (492, 522310), (570, 450836), (615, 417848), (760, 338127), (779, 329880), (820, 313386), (984, 261155), (1140, 225418), (1230, 208924), (1558, 164940), (1640, 156693), (2280, 112709), (2337, 109960), (2460, 104462), (2749, 93480), (3116, 82470), (3895, 65976), (4674, 54980), (4920, 52231), (5498, 46740), (6232, 41235), (7790, 32988), (8247, 31160), (9348, 27490), (10996, 23370), (11685, 21992), (13745, 18696), (15580, 16494)]