256860480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15739}}^1$

素因数の和:15776

約数の個数: 112

約数和(自身を含む): 863559360

約数和(自身を除く): 606698880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1360, 1632, 2040, 2720, 3264, 4080, 5440, 8160, 15739, 16320, 31478, 47217, 62956, 78695, 94434, 125912, 157390, 188868, 236085, 251824, 267563, 314780, 377736, 472170, 503648, 535126, 629560, 755472, 802689, 944340, 1007296, 1070252, 1259120, 1337815, 1510944, 1605378, 1888680, 2140504, 2518240, 2675630, 3021888, 3210756, 3777360, 4013445, 4281008, 5036480, 5351260, 6421512, 7554720, 8026890, 8562016, 10702520, 12843024, 15109440, 16053780, 17124032, 21405040, 25686048, 32107560, 42810080, 51372096, 64215120, 85620160, 128430240, 256860480]

約数ペア:

[(1, 256860480), (2, 128430240), (3, 85620160), (4, 64215120), (5, 51372096), (6, 42810080), (8, 32107560), (10, 25686048), (12, 21405040), (15, 17124032), (16, 16053780), (17, 15109440), (20, 12843024), (24, 10702520), (30, 8562016), (32, 8026890), (34, 7554720), (40, 6421512), (48, 5351260), (51, 5036480), (60, 4281008), (64, 4013445), (68, 3777360), (80, 3210756), (85, 3021888), (96, 2675630), (102, 2518240), (120, 2140504), (136, 1888680), (160, 1605378), (170, 1510944), (192, 1337815), (204, 1259120), (240, 1070252), (255, 1007296), (272, 944340), (320, 802689), (340, 755472), (408, 629560), (480, 535126), (510, 503648), (544, 472170), (680, 377736), (816, 314780), (960, 267563), (1020, 251824), (1088, 236085), (1360, 188868), (1632, 157390), (2040, 125912), (2720, 94434), (3264, 78695), (4080, 62956), (5440, 47217), (8160, 31478), (15739, 16320)]