256392840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10223}}^1$

素因数の和:10267

約数の個数: 128

約数和(自身を含む): 883353600

約数和(自身を除く): 626960760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 110, 114, 120, 132, 152, 165, 190, 209, 220, 228, 264, 285, 330, 380, 418, 440, 456, 570, 627, 660, 760, 836, 1045, 1140, 1254, 1320, 1672, 2090, 2280, 2508, 3135, 4180, 5016, 6270, 8360, 10223, 12540, 20446, 25080, 30669, 40892, 51115, 61338, 81784, 102230, 112453, 122676, 153345, 194237, 204460, 224906, 245352, 306690, 337359, 388474, 408920, 449812, 562265, 582711, 613380, 674718, 776948, 899624, 971185, 1124530, 1165422, 1226760, 1349436, 1553896, 1686795, 1942370, 2136607, 2249060, 2330844, 2698872, 2913555, 3373590, 3884740, 4273214, 4498120, 4661688, 5827110, 6409821, 6747180, 7769480, 8546428, 10683035, 11654220, 12819642, 13494360, 17092856, 21366070, 23308440, 25639284, 32049105, 42732140, 51278568, 64098210, 85464280, 128196420, 256392840]

約数ペア:

[(1, 256392840), (2, 128196420), (3, 85464280), (4, 64098210), (5, 51278568), (6, 42732140), (8, 32049105), (10, 25639284), (11, 23308440), (12, 21366070), (15, 17092856), (19, 13494360), (20, 12819642), (22, 11654220), (24, 10683035), (30, 8546428), (33, 7769480), (38, 6747180), (40, 6409821), (44, 5827110), (55, 4661688), (57, 4498120), (60, 4273214), (66, 3884740), (76, 3373590), (88, 2913555), (95, 2698872), (110, 2330844), (114, 2249060), (120, 2136607), (132, 1942370), (152, 1686795), (165, 1553896), (190, 1349436), (209, 1226760), (220, 1165422), (228, 1124530), (264, 971185), (285, 899624), (330, 776948), (380, 674718), (418, 613380), (440, 582711), (456, 562265), (570, 449812), (627, 408920), (660, 388474), (760, 337359), (836, 306690), (1045, 245352), (1140, 224906), (1254, 204460), (1320, 194237), (1672, 153345), (2090, 122676), (2280, 112453), (2508, 102230), (3135, 81784), (4180, 61338), (5016, 51115), (6270, 40892), (8360, 30669), (10223, 25080), (12540, 20446)]