87216640

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:218

約数の個数: 160

約数和(自身を含む): 248269824

約数和(自身を除く): 161053184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 157, 160, 217, 224, 248, 256, 280, 310, 314, 320, 434, 448, 496, 512, 560, 620, 628, 640, 785, 868, 896, 992, 1085, 1099, 1120, 1240, 1256, 1280, 1570, 1736, 1792, 1984, 2170, 2198, 2240, 2480, 2512, 2560, 3140, 3472, 3584, 3968, 4340, 4396, 4480, 4867, 4960, 5024, 5495, 6280, 6944, 7936, 8680, 8792, 8960, 9734, 9920, 10048, 10990, 12560, 13888, 15872, 17360, 17584, 17920, 19468, 19840, 20096, 21980, 24335, 25120, 27776, 34069, 34720, 35168, 38936, 39680, 40192, 43960, 48670, 50240, 55552, 68138, 69440, 70336, 77872, 79360, 80384, 87920, 97340, 100480, 111104, 136276, 138880, 140672, 155744, 170345, 175840, 194680, 200960, 272552, 277760, 281344, 311488, 340690, 351680, 389360, 401920, 545104, 555520, 562688, 622976, 681380, 703360, 778720, 1090208, 1245952, 1362760, 1406720, 1557440, 2180416, 2491904, 2725520, 2813440, 3114880, 4360832, 5451040, 6229760, 8721664, 10902080, 12459520, 17443328, 21804160, 43608320, 87216640]

約数ペア:

[(1, 87216640), (2, 43608320), (4, 21804160), (5, 17443328), (7, 12459520), (8, 10902080), (10, 8721664), (14, 6229760), (16, 5451040), (20, 4360832), (28, 3114880), (31, 2813440), (32, 2725520), (35, 2491904), (40, 2180416), (56, 1557440), (62, 1406720), (64, 1362760), (70, 1245952), (80, 1090208), (112, 778720), (124, 703360), (128, 681380), (140, 622976), (155, 562688), (157, 555520), (160, 545104), (217, 401920), (224, 389360), (248, 351680), (256, 340690), (280, 311488), (310, 281344), (314, 277760), (320, 272552), (434, 200960), (448, 194680), (496, 175840), (512, 170345), (560, 155744), (620, 140672), (628, 138880), (640, 136276), (785, 111104), (868, 100480), (896, 97340), (992, 87920), (1085, 80384), (1099, 79360), (1120, 77872), (1240, 70336), (1256, 69440), (1280, 68138), (1570, 55552), (1736, 50240), (1792, 48670), (1984, 43960), (2170, 40192), (2198, 39680), (2240, 38936), (2480, 35168), (2512, 34720), (2560, 34069), (3140, 27776), (3472, 25120), (3584, 24335), (3968, 21980), (4340, 20096), (4396, 19840), (4480, 19468), (4867, 17920), (4960, 17584), (5024, 17360), (5495, 15872), (6280, 13888), (6944, 12560), (7936, 10990), (8680, 10048), (8792, 9920), (8960, 9734)]