87867920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 160

約数和(自身を含む): 247484160

約数和(自身を除く): 159616240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 43, 56, 70, 80, 82, 86, 89, 112, 140, 164, 172, 178, 205, 215, 280, 287, 301, 328, 344, 356, 410, 430, 445, 560, 574, 602, 623, 656, 688, 712, 820, 860, 890, 1148, 1204, 1246, 1424, 1435, 1505, 1640, 1720, 1763, 1780, 2296, 2408, 2492, 2870, 3010, 3115, 3280, 3440, 3526, 3560, 3649, 3827, 4592, 4816, 4984, 5740, 6020, 6230, 7052, 7120, 7298, 7654, 8815, 9968, 11480, 12040, 12341, 12460, 14104, 14596, 15308, 17630, 18245, 19135, 22960, 24080, 24682, 24920, 25543, 26789, 28208, 29192, 30616, 35260, 36490, 38270, 49364, 49840, 51086, 53578, 58384, 61232, 61705, 70520, 72980, 76540, 98728, 102172, 107156, 123410, 127715, 133945, 141040, 145960, 153080, 156907, 197456, 204344, 214312, 246820, 255430, 267890, 291920, 306160, 313814, 408688, 428624, 493640, 510860, 535780, 627628, 784535, 987280, 1021720, 1071560, 1098349, 1255256, 1569070, 2043440, 2143120, 2196698, 2510512, 3138140, 4393396, 5491745, 6276280, 8786792, 10983490, 12552560, 17573584, 21966980, 43933960, 87867920]

約数ペア:

[(1, 87867920), (2, 43933960), (4, 21966980), (5, 17573584), (7, 12552560), (8, 10983490), (10, 8786792), (14, 6276280), (16, 5491745), (20, 4393396), (28, 3138140), (35, 2510512), (40, 2196698), (41, 2143120), (43, 2043440), (56, 1569070), (70, 1255256), (80, 1098349), (82, 1071560), (86, 1021720), (89, 987280), (112, 784535), (140, 627628), (164, 535780), (172, 510860), (178, 493640), (205, 428624), (215, 408688), (280, 313814), (287, 306160), (301, 291920), (328, 267890), (344, 255430), (356, 246820), (410, 214312), (430, 204344), (445, 197456), (560, 156907), (574, 153080), (602, 145960), (623, 141040), (656, 133945), (688, 127715), (712, 123410), (820, 107156), (860, 102172), (890, 98728), (1148, 76540), (1204, 72980), (1246, 70520), (1424, 61705), (1435, 61232), (1505, 58384), (1640, 53578), (1720, 51086), (1763, 49840), (1780, 49364), (2296, 38270), (2408, 36490), (2492, 35260), (2870, 30616), (3010, 29192), (3115, 28208), (3280, 26789), (3440, 25543), (3526, 24920), (3560, 24682), (3649, 24080), (3827, 22960), (4592, 19135), (4816, 18245), (4984, 17630), (5740, 15308), (6020, 14596), (6230, 14104), (7052, 12460), (7120, 12341), (7298, 12040), (7654, 11480), (8815, 9968)]