12721520640

素因数分解:

$2^{16}\times 3^1\times 5^1\times {\mathrm{12941}}^1$

素因数の和:12981

約数の個数: 136

約数和(自身を含む): 40711701168

約数和(自身を除く): 27990180528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2048, 2560, 3072, 3840, 4096, 5120, 6144, 7680, 8192, 10240, 12288, 12941, 15360, 16384, 20480, 24576, 25882, 30720, 32768, 38823, 40960, 49152, 51764, 61440, 64705, 65536, 77646, 81920, 98304, 103528, 122880, 129410, 155292, 163840, 194115, 196608, 207056, 245760, 258820, 310584, 327680, 388230, 414112, 491520, 517640, 621168, 776460, 828224, 983040, 1035280, 1242336, 1552920, 1656448, 2070560, 2484672, 3105840, 3312896, 4141120, 4969344, 6211680, 6625792, 8282240, 9938688, 12423360, 13251584, 16564480, 19877376, 24846720, 26503168, 33128960, 39754752, 49693440, 53006336, 66257920, 79509504, 99386880, 106012672, 132515840, 159019008, 198773760, 212025344, 265031680, 318038016, 397547520, 424050688, 530063360, 636076032, 795095040, 848101376, 1060126720, 1272152064, 1590190080, 2120253440, 2544304128, 3180380160, 4240506880, 6360760320, 12721520640]

約数ペア:

[(1, 12721520640), (2, 6360760320), (3, 4240506880), (4, 3180380160), (5, 2544304128), (6, 2120253440), (8, 1590190080), (10, 1272152064), (12, 1060126720), (15, 848101376), (16, 795095040), (20, 636076032), (24, 530063360), (30, 424050688), (32, 397547520), (40, 318038016), (48, 265031680), (60, 212025344), (64, 198773760), (80, 159019008), (96, 132515840), (120, 106012672), (128, 99386880), (160, 79509504), (192, 66257920), (240, 53006336), (256, 49693440), (320, 39754752), (384, 33128960), (480, 26503168), (512, 24846720), (640, 19877376), (768, 16564480), (960, 13251584), (1024, 12423360), (1280, 9938688), (1536, 8282240), (1920, 6625792), (2048, 6211680), (2560, 4969344), (3072, 4141120), (3840, 3312896), (4096, 3105840), (5120, 2484672), (6144, 2070560), (7680, 1656448), (8192, 1552920), (10240, 1242336), (12288, 1035280), (12941, 983040), (15360, 828224), (16384, 776460), (20480, 621168), (24576, 517640), (25882, 491520), (30720, 414112), (32768, 388230), (38823, 327680), (40960, 310584), (49152, 258820), (51764, 245760), (61440, 207056), (64705, 196608), (65536, 194115), (77646, 163840), (81920, 155292), (98304, 129410), (103528, 122880)]