257127120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15527}}^1$

素因数の和:15569

約数の個数: 120

約数和(自身を含む): 901120896

約数和(自身を除く): 643993776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 2070, 2760, 3312, 4140, 5520, 8280, 15527, 16560, 31054, 46581, 62108, 77635, 93162, 124216, 139743, 155270, 186324, 232905, 248432, 279486, 310540, 357121, 372648, 465810, 558972, 621080, 698715, 714242, 745296, 931620, 1071363, 1117944, 1242160, 1397430, 1428484, 1785605, 1863240, 2142726, 2235888, 2794860, 2856968, 3214089, 3571210, 3726480, 4285452, 5356815, 5589720, 5713936, 6428178, 7142420, 8570904, 10713630, 11179440, 12856356, 14284840, 16070445, 17141808, 21427260, 25712712, 28569680, 32140890, 42854520, 51425424, 64281780, 85709040, 128563560, 257127120]

約数ペア:

[(1, 257127120), (2, 128563560), (3, 85709040), (4, 64281780), (5, 51425424), (6, 42854520), (8, 32140890), (9, 28569680), (10, 25712712), (12, 21427260), (15, 17141808), (16, 16070445), (18, 14284840), (20, 12856356), (23, 11179440), (24, 10713630), (30, 8570904), (36, 7142420), (40, 6428178), (45, 5713936), (46, 5589720), (48, 5356815), (60, 4285452), (69, 3726480), (72, 3571210), (80, 3214089), (90, 2856968), (92, 2794860), (115, 2235888), (120, 2142726), (138, 1863240), (144, 1785605), (180, 1428484), (184, 1397430), (207, 1242160), (230, 1117944), (240, 1071363), (276, 931620), (345, 745296), (360, 714242), (368, 698715), (414, 621080), (460, 558972), (552, 465810), (690, 372648), (720, 357121), (828, 310540), (920, 279486), (1035, 248432), (1104, 232905), (1380, 186324), (1656, 155270), (1840, 139743), (2070, 124216), (2760, 93162), (3312, 77635), (4140, 62108), (5520, 46581), (8280, 31054), (15527, 16560)]