400220160

素因数分解:

$2^{13}\times 3^1\times 5^1\times {\mathrm{3257}}^1$

素因数の和:3291

約数の個数: 112

約数和(自身を含む): 1281019536

約数和(自身を除く): 880799376

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, 3257, 3840, 4096, 5120, 6144, 6514, 7680, 8192, 9771, 10240, 12288, 13028, 15360, 16285, 19542, 20480, 24576, 26056, 30720, 32570, 39084, 40960, 48855, 52112, 61440, 65140, 78168, 97710, 104224, 122880, 130280, 156336, 195420, 208448, 260560, 312672, 390840, 416896, 521120, 625344, 781680, 833792, 1042240, 1250688, 1563360, 1667584, 2084480, 2501376, 3126720, 3335168, 4168960, 5002752, 6253440, 6670336, 8337920, 10005504, 12506880, 13340672, 16675840, 20011008, 25013760, 26681344, 33351680, 40022016, 50027520, 66703360, 80044032, 100055040, 133406720, 200110080, 400220160]

約数ペア:

[(1, 400220160), (2, 200110080), (3, 133406720), (4, 100055040), (5, 80044032), (6, 66703360), (8, 50027520), (10, 40022016), (12, 33351680), (15, 26681344), (16, 25013760), (20, 20011008), (24, 16675840), (30, 13340672), (32, 12506880), (40, 10005504), (48, 8337920), (60, 6670336), (64, 6253440), (80, 5002752), (96, 4168960), (120, 3335168), (128, 3126720), (160, 2501376), (192, 2084480), (240, 1667584), (256, 1563360), (320, 1250688), (384, 1042240), (480, 833792), (512, 781680), (640, 625344), (768, 521120), (960, 416896), (1024, 390840), (1280, 312672), (1536, 260560), (1920, 208448), (2048, 195420), (2560, 156336), (3072, 130280), (3257, 122880), (3840, 104224), (4096, 97710), (5120, 78168), (6144, 65140), (6514, 61440), (7680, 52112), (8192, 48855), (9771, 40960), (10240, 39084), (12288, 32570), (13028, 30720), (15360, 26056), (16285, 24576), (19542, 20480)]