666391040

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{907}}^1$

素因数の和:978

約数の個数: 160

約数和(自身を含む): 1872630144

約数和(自身を除く): 1206239104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 112, 128, 140, 160, 164, 205, 224, 256, 280, 287, 320, 328, 410, 448, 512, 560, 574, 640, 656, 820, 896, 907, 1120, 1148, 1280, 1312, 1435, 1640, 1792, 1814, 2240, 2296, 2560, 2624, 2870, 3280, 3584, 3628, 4480, 4535, 4592, 5248, 5740, 6349, 6560, 7256, 8960, 9070, 9184, 10496, 11480, 12698, 13120, 14512, 17920, 18140, 18368, 20992, 22960, 25396, 26240, 29024, 31745, 36280, 36736, 37187, 45920, 50792, 52480, 58048, 63490, 72560, 73472, 74374, 91840, 101584, 104960, 116096, 126980, 145120, 146944, 148748, 183680, 185935, 203168, 232192, 253960, 260309, 290240, 297496, 367360, 371870, 406336, 464384, 507920, 520618, 580480, 594992, 734720, 743740, 812672, 1015840, 1041236, 1160960, 1189984, 1301545, 1487480, 1625344, 2031680, 2082472, 2321920, 2379968, 2603090, 2974960, 3250688, 4063360, 4164944, 4759936, 5206180, 5949920, 8126720, 8329888, 9519872, 10412360, 11899840, 16253440, 16659776, 19039744, 20824720, 23799680, 33319552, 41649440, 47599360, 66639104, 83298880, 95198720, 133278208, 166597760, 333195520, 666391040]

約数ペア:

[(1, 666391040), (2, 333195520), (4, 166597760), (5, 133278208), (7, 95198720), (8, 83298880), (10, 66639104), (14, 47599360), (16, 41649440), (20, 33319552), (28, 23799680), (32, 20824720), (35, 19039744), (40, 16659776), (41, 16253440), (56, 11899840), (64, 10412360), (70, 9519872), (80, 8329888), (82, 8126720), (112, 5949920), (128, 5206180), (140, 4759936), (160, 4164944), (164, 4063360), (205, 3250688), (224, 2974960), (256, 2603090), (280, 2379968), (287, 2321920), (320, 2082472), (328, 2031680), (410, 1625344), (448, 1487480), (512, 1301545), (560, 1189984), (574, 1160960), (640, 1041236), (656, 1015840), (820, 812672), (896, 743740), (907, 734720), (1120, 594992), (1148, 580480), (1280, 520618), (1312, 507920), (1435, 464384), (1640, 406336), (1792, 371870), (1814, 367360), (2240, 297496), (2296, 290240), (2560, 260309), (2624, 253960), (2870, 232192), (3280, 203168), (3584, 185935), (3628, 183680), (4480, 148748), (4535, 146944), (4592, 145120), (5248, 126980), (5740, 116096), (6349, 104960), (6560, 101584), (7256, 91840), (8960, 74374), (9070, 73472), (9184, 72560), (10496, 63490), (11480, 58048), (12698, 52480), (13120, 50792), (14512, 45920), (17920, 37187), (18140, 36736), (18368, 36280), (20992, 31745), (22960, 29024), (25396, 26240)]