155918840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 256

約数和(自身を含む): 477757440

約数和(自身を除く): 321838600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 31, 35, 40, 44, 46, 55, 56, 62, 70, 71, 77, 88, 92, 110, 115, 124, 140, 142, 154, 155, 161, 184, 217, 220, 230, 248, 253, 280, 284, 308, 310, 322, 341, 355, 385, 434, 440, 460, 497, 506, 568, 616, 620, 644, 682, 710, 713, 770, 781, 805, 868, 920, 994, 1012, 1085, 1240, 1265, 1288, 1364, 1420, 1426, 1540, 1562, 1610, 1633, 1705, 1736, 1771, 1988, 2024, 2170, 2201, 2387, 2485, 2530, 2728, 2840, 2852, 3080, 3124, 3220, 3266, 3410, 3542, 3565, 3905, 3976, 4340, 4402, 4774, 4970, 4991, 5060, 5467, 5704, 6248, 6440, 6532, 6820, 7084, 7130, 7810, 7843, 8165, 8680, 8804, 8855, 9548, 9940, 9982, 10120, 10934, 11005, 11431, 11935, 13064, 13640, 14168, 14260, 15407, 15620, 15686, 16330, 17608, 17710, 17963, 19096, 19880, 19964, 21868, 22010, 22862, 23870, 24211, 24955, 27335, 28520, 30814, 31240, 31372, 32660, 35420, 35926, 39215, 39928, 43736, 44020, 45724, 47740, 48422, 49910, 50623, 54670, 54901, 57155, 61628, 62744, 65320, 70840, 71852, 77035, 78430, 88040, 89815, 91448, 95480, 96844, 99820, 101246, 109340, 109802, 114310, 121055, 123256, 125741, 143704, 154070, 156860, 169477, 179630, 193688, 199640, 202492, 218680, 219604, 228620, 242110, 251482, 253115, 274505, 308140, 313720, 338954, 354361, 359260, 404984, 439208, 457240, 484220, 502964, 506230, 549010, 556853, 616280, 628705, 677908, 708722, 718520, 847385, 968440, 1005928, 1012460, 1098020, 1113706, 1257410, 1355816, 1417444, 1694770, 1771805, 2024920, 2196040, 2227412, 2514820, 2784265, 2834888, 3389540, 3543610, 3897971, 4454824, 5029640, 5568530, 6779080, 7087220, 7795942, 11137060, 14174440, 15591884, 19489855, 22274120, 31183768, 38979710, 77959420, 155918840]

約数ペア:

[(1, 155918840), (2, 77959420), (4, 38979710), (5, 31183768), (7, 22274120), (8, 19489855), (10, 15591884), (11, 14174440), (14, 11137060), (20, 7795942), (22, 7087220), (23, 6779080), (28, 5568530), (31, 5029640), (35, 4454824), (40, 3897971), (44, 3543610), (46, 3389540), (55, 2834888), (56, 2784265), (62, 2514820), (70, 2227412), (71, 2196040), (77, 2024920), (88, 1771805), (92, 1694770), (110, 1417444), (115, 1355816), (124, 1257410), (140, 1113706), (142, 1098020), (154, 1012460), (155, 1005928), (161, 968440), (184, 847385), (217, 718520), (220, 708722), (230, 677908), (248, 628705), (253, 616280), (280, 556853), (284, 549010), (308, 506230), (310, 502964), (322, 484220), (341, 457240), (355, 439208), (385, 404984), (434, 359260), (440, 354361), (460, 338954), (497, 313720), (506, 308140), (568, 274505), (616, 253115), (620, 251482), (644, 242110), (682, 228620), (710, 219604), (713, 218680), (770, 202492), (781, 199640), (805, 193688), (868, 179630), (920, 169477), (994, 156860), (1012, 154070), (1085, 143704), (1240, 125741), (1265, 123256), (1288, 121055), (1364, 114310), (1420, 109802), (1426, 109340), (1540, 101246), (1562, 99820), (1610, 96844), (1633, 95480), (1705, 91448), (1736, 89815), (1771, 88040), (1988, 78430), (2024, 77035), (2170, 71852), (2201, 70840), (2387, 65320), (2485, 62744), (2530, 61628), (2728, 57155), (2840, 54901), (2852, 54670), (3080, 50623), (3124, 49910), (3220, 48422), (3266, 47740), (3410, 45724), (3542, 44020), (3565, 43736), (3905, 39928), (3976, 39215), (4340, 35926), (4402, 35420), (4774, 32660), (4970, 31372), (4991, 31240), (5060, 30814), (5467, 28520), (5704, 27335), (6248, 24955), (6440, 24211), (6532, 23870), (6820, 22862), (7084, 22010), (7130, 21868), (7810, 19964), (7843, 19880), (8165, 19096), (8680, 17963), (8804, 17710), (8855, 17608), (9548, 16330), (9940, 15686), (9982, 15620), (10120, 15407), (10934, 14260), (11005, 14168), (11431, 13640), (11935, 13064)]