780349440

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{977}}^1$

素因数の和:1022

約数の個数: 208

約数和(自身を含む): 2691628128

約数和(自身を除く): 1911278688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 512, 520, 624, 640, 768, 780, 832, 960, 977, 1024, 1040, 1248, 1280, 1536, 1560, 1664, 1920, 1954, 2048, 2080, 2496, 2560, 2931, 3072, 3120, 3328, 3840, 3908, 4096, 4160, 4885, 4992, 5120, 5862, 6144, 6240, 6656, 7680, 7816, 8320, 9770, 9984, 10240, 11724, 12288, 12480, 12701, 13312, 14655, 15360, 15632, 16640, 19540, 19968, 20480, 23448, 24960, 25402, 26624, 29310, 30720, 31264, 33280, 38103, 39080, 39936, 46896, 49920, 50804, 53248, 58620, 61440, 62528, 63505, 66560, 76206, 78160, 79872, 93792, 99840, 101608, 117240, 125056, 127010, 133120, 152412, 156320, 159744, 187584, 190515, 199680, 203216, 234480, 250112, 254020, 266240, 304824, 312640, 375168, 381030, 399360, 406432, 468960, 500224, 508040, 609648, 625280, 750336, 762060, 798720, 812864, 937920, 1000448, 1016080, 1219296, 1250560, 1500672, 1524120, 1625728, 1875840, 2000896, 2032160, 2438592, 2501120, 3001344, 3048240, 3251456, 3751680, 4001792, 4064320, 4877184, 5002240, 6002688, 6096480, 6502912, 7503360, 8128640, 9754368, 10004480, 12005376, 12192960, 13005824, 15006720, 16257280, 19508736, 20008960, 24385920, 26011648, 30013440, 32514560, 39017472, 48771840, 52023296, 60026880, 65029120, 78034944, 97543680, 130058240, 156069888, 195087360, 260116480, 390174720, 780349440]

約数ペア:

[(1, 780349440), (2, 390174720), (3, 260116480), (4, 195087360), (5, 156069888), (6, 130058240), (8, 97543680), (10, 78034944), (12, 65029120), (13, 60026880), (15, 52023296), (16, 48771840), (20, 39017472), (24, 32514560), (26, 30013440), (30, 26011648), (32, 24385920), (39, 20008960), (40, 19508736), (48, 16257280), (52, 15006720), (60, 13005824), (64, 12192960), (65, 12005376), (78, 10004480), (80, 9754368), (96, 8128640), (104, 7503360), (120, 6502912), (128, 6096480), (130, 6002688), (156, 5002240), (160, 4877184), (192, 4064320), (195, 4001792), (208, 3751680), (240, 3251456), (256, 3048240), (260, 3001344), (312, 2501120), (320, 2438592), (384, 2032160), (390, 2000896), (416, 1875840), (480, 1625728), (512, 1524120), (520, 1500672), (624, 1250560), (640, 1219296), (768, 1016080), (780, 1000448), (832, 937920), (960, 812864), (977, 798720), (1024, 762060), (1040, 750336), (1248, 625280), (1280, 609648), (1536, 508040), (1560, 500224), (1664, 468960), (1920, 406432), (1954, 399360), (2048, 381030), (2080, 375168), (2496, 312640), (2560, 304824), (2931, 266240), (3072, 254020), (3120, 250112), (3328, 234480), (3840, 203216), (3908, 199680), (4096, 190515), (4160, 187584), (4885, 159744), (4992, 156320), (5120, 152412), (5862, 133120), (6144, 127010), (6240, 125056), (6656, 117240), (7680, 101608), (7816, 99840), (8320, 93792), (9770, 79872), (9984, 78160), (10240, 76206), (11724, 66560), (12288, 63505), (12480, 62528), (12701, 61440), (13312, 58620), (14655, 53248), (15360, 50804), (15632, 49920), (16640, 46896), (19540, 39936), (19968, 39080), (20480, 38103), (23448, 33280), (24960, 31264), (25402, 30720), (26624, 29310)]