256417800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1093}}^1$

素因数の和:1152

約数の個数: 192

約数和(自身を含む): 879050880

約数和(自身を除く): 622633080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 25, 30, 34, 40, 46, 50, 51, 60, 68, 69, 75, 85, 92, 100, 102, 115, 120, 136, 138, 150, 170, 184, 200, 204, 230, 255, 276, 300, 340, 345, 391, 408, 425, 460, 510, 552, 575, 600, 680, 690, 782, 850, 920, 1020, 1093, 1150, 1173, 1275, 1380, 1564, 1700, 1725, 1955, 2040, 2186, 2300, 2346, 2550, 2760, 3128, 3279, 3400, 3450, 3910, 4372, 4600, 4692, 5100, 5465, 5865, 6558, 6900, 7820, 8744, 9384, 9775, 10200, 10930, 11730, 13116, 13800, 15640, 16395, 18581, 19550, 21860, 23460, 25139, 26232, 27325, 29325, 32790, 37162, 39100, 43720, 46920, 50278, 54650, 55743, 58650, 65580, 74324, 75417, 78200, 81975, 92905, 100556, 109300, 111486, 117300, 125695, 131160, 148648, 150834, 163950, 185810, 201112, 218600, 222972, 234600, 251390, 278715, 301668, 327900, 371620, 377085, 427363, 445944, 464525, 502780, 557430, 603336, 628475, 655800, 743240, 754170, 854726, 929050, 1005560, 1114860, 1256950, 1282089, 1393575, 1508340, 1709452, 1858100, 1885425, 2136815, 2229720, 2513900, 2564178, 2787150, 3016680, 3418904, 3716200, 3770850, 4273630, 5027800, 5128356, 5574300, 6410445, 7541700, 8547260, 10256712, 10684075, 11148600, 12820890, 15083400, 17094520, 21368150, 25641780, 32052225, 42736300, 51283560, 64104450, 85472600, 128208900, 256417800]

約数ペア:

[(1, 256417800), (2, 128208900), (3, 85472600), (4, 64104450), (5, 51283560), (6, 42736300), (8, 32052225), (10, 25641780), (12, 21368150), (15, 17094520), (17, 15083400), (20, 12820890), (23, 11148600), (24, 10684075), (25, 10256712), (30, 8547260), (34, 7541700), (40, 6410445), (46, 5574300), (50, 5128356), (51, 5027800), (60, 4273630), (68, 3770850), (69, 3716200), (75, 3418904), (85, 3016680), (92, 2787150), (100, 2564178), (102, 2513900), (115, 2229720), (120, 2136815), (136, 1885425), (138, 1858100), (150, 1709452), (170, 1508340), (184, 1393575), (200, 1282089), (204, 1256950), (230, 1114860), (255, 1005560), (276, 929050), (300, 854726), (340, 754170), (345, 743240), (391, 655800), (408, 628475), (425, 603336), (460, 557430), (510, 502780), (552, 464525), (575, 445944), (600, 427363), (680, 377085), (690, 371620), (782, 327900), (850, 301668), (920, 278715), (1020, 251390), (1093, 234600), (1150, 222972), (1173, 218600), (1275, 201112), (1380, 185810), (1564, 163950), (1700, 150834), (1725, 148648), (1955, 131160), (2040, 125695), (2186, 117300), (2300, 111486), (2346, 109300), (2550, 100556), (2760, 92905), (3128, 81975), (3279, 78200), (3400, 75417), (3450, 74324), (3910, 65580), (4372, 58650), (4600, 55743), (4692, 54650), (5100, 50278), (5465, 46920), (5865, 43720), (6558, 39100), (6900, 37162), (7820, 32790), (8744, 29325), (9384, 27325), (9775, 26232), (10200, 25139), (10930, 23460), (11730, 21860), (13116, 19550), (13800, 18581), (15640, 16395)]