213119820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:560

約数の個数: 144

約数和(自身を含む): 689689728

約数和(自身を除く): 476569908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 257, 271, 306, 340, 510, 514, 542, 612, 765, 771, 813, 1020, 1028, 1084, 1285, 1355, 1530, 1542, 1626, 2313, 2439, 2570, 2710, 3060, 3084, 3252, 3855, 4065, 4369, 4607, 4626, 4878, 5140, 5420, 7710, 8130, 8738, 9214, 9252, 9756, 11565, 12195, 13107, 13821, 15420, 16260, 17476, 18428, 21845, 23035, 23130, 24390, 26214, 27642, 39321, 41463, 43690, 46070, 46260, 48780, 52428, 55284, 65535, 69105, 69647, 78642, 82926, 87380, 92140, 131070, 138210, 139294, 157284, 165852, 196605, 207315, 208941, 262140, 276420, 278588, 348235, 393210, 414630, 417882, 626823, 696470, 786420, 829260, 835764, 1044705, 1183999, 1253646, 1392940, 2089410, 2367998, 2507292, 3134115, 3551997, 4178820, 4735996, 5919995, 6268230, 7103994, 10655991, 11839990, 12536460, 14207988, 17759985, 21311982, 23679980, 35519970, 42623964, 53279955, 71039940, 106559910, 213119820]

約数ペア:

[(1, 213119820), (2, 106559910), (3, 71039940), (4, 53279955), (5, 42623964), (6, 35519970), (9, 23679980), (10, 21311982), (12, 17759985), (15, 14207988), (17, 12536460), (18, 11839990), (20, 10655991), (30, 7103994), (34, 6268230), (36, 5919995), (45, 4735996), (51, 4178820), (60, 3551997), (68, 3134115), (85, 2507292), (90, 2367998), (102, 2089410), (153, 1392940), (170, 1253646), (180, 1183999), (204, 1044705), (255, 835764), (257, 829260), (271, 786420), (306, 696470), (340, 626823), (510, 417882), (514, 414630), (542, 393210), (612, 348235), (765, 278588), (771, 276420), (813, 262140), (1020, 208941), (1028, 207315), (1084, 196605), (1285, 165852), (1355, 157284), (1530, 139294), (1542, 138210), (1626, 131070), (2313, 92140), (2439, 87380), (2570, 82926), (2710, 78642), (3060, 69647), (3084, 69105), (3252, 65535), (3855, 55284), (4065, 52428), (4369, 48780), (4607, 46260), (4626, 46070), (4878, 43690), (5140, 41463), (5420, 39321), (7710, 27642), (8130, 26214), (8738, 24390), (9214, 23130), (9252, 23035), (9756, 21845), (11565, 18428), (12195, 17476), (13107, 16260), (13821, 15420)]