254304160

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:195

約数の個数: 192

約数和(自身を含む): 696729600

約数和(自身を除く): 442425440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 59, 62, 79, 80, 88, 110, 118, 124, 155, 158, 160, 176, 220, 236, 248, 295, 310, 316, 341, 352, 395, 440, 472, 496, 590, 620, 632, 649, 682, 790, 869, 880, 944, 992, 1180, 1240, 1264, 1298, 1364, 1580, 1705, 1738, 1760, 1829, 1888, 2360, 2449, 2480, 2528, 2596, 2728, 3160, 3245, 3410, 3476, 3658, 4345, 4661, 4720, 4898, 4960, 5192, 5456, 6320, 6490, 6820, 6952, 7316, 8690, 9145, 9322, 9440, 9796, 10384, 10912, 12245, 12640, 12980, 13640, 13904, 14632, 17380, 18290, 18644, 19592, 20119, 20768, 23305, 24490, 25960, 26939, 27280, 27808, 29264, 34760, 36580, 37288, 39184, 40238, 46610, 48980, 51271, 51920, 53878, 54560, 58528, 69520, 73160, 74576, 78368, 80476, 93220, 97960, 100595, 102542, 103840, 107756, 134695, 139040, 144491, 146320, 149152, 160952, 186440, 195920, 201190, 205084, 215512, 256355, 269390, 288982, 292640, 321904, 372880, 391840, 402380, 410168, 431024, 512710, 538780, 577964, 643808, 722455, 745760, 804760, 820336, 862048, 1025420, 1077560, 1155928, 1444910, 1589401, 1609520, 1640672, 2050840, 2155120, 2311856, 2889820, 3178802, 3219040, 4101680, 4310240, 4623712, 5779640, 6357604, 7947005, 8203360, 11559280, 12715208, 15894010, 23118560, 25430416, 31788020, 50860832, 63576040, 127152080, 254304160]

約数ペア:

[(1, 254304160), (2, 127152080), (4, 63576040), (5, 50860832), (8, 31788020), (10, 25430416), (11, 23118560), (16, 15894010), (20, 12715208), (22, 11559280), (31, 8203360), (32, 7947005), (40, 6357604), (44, 5779640), (55, 4623712), (59, 4310240), (62, 4101680), (79, 3219040), (80, 3178802), (88, 2889820), (110, 2311856), (118, 2155120), (124, 2050840), (155, 1640672), (158, 1609520), (160, 1589401), (176, 1444910), (220, 1155928), (236, 1077560), (248, 1025420), (295, 862048), (310, 820336), (316, 804760), (341, 745760), (352, 722455), (395, 643808), (440, 577964), (472, 538780), (496, 512710), (590, 431024), (620, 410168), (632, 402380), (649, 391840), (682, 372880), (790, 321904), (869, 292640), (880, 288982), (944, 269390), (992, 256355), (1180, 215512), (1240, 205084), (1264, 201190), (1298, 195920), (1364, 186440), (1580, 160952), (1705, 149152), (1738, 146320), (1760, 144491), (1829, 139040), (1888, 134695), (2360, 107756), (2449, 103840), (2480, 102542), (2528, 100595), (2596, 97960), (2728, 93220), (3160, 80476), (3245, 78368), (3410, 74576), (3476, 73160), (3658, 69520), (4345, 58528), (4661, 54560), (4720, 53878), (4898, 51920), (4960, 51271), (5192, 48980), (5456, 46610), (6320, 40238), (6490, 39184), (6820, 37288), (6952, 36580), (7316, 34760), (8690, 29264), (9145, 27808), (9322, 27280), (9440, 26939), (9796, 25960), (10384, 24490), (10912, 23305), (12245, 20768), (12640, 20119), (12980, 19592), (13640, 18644), (13904, 18290), (14632, 17380)]