71391040

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:217

約数の個数: 168

約数和(自身を含む): 205877160

約数和(自身を除く): 134486120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 64, 70, 80, 98, 112, 116, 140, 145, 157, 160, 196, 203, 224, 232, 245, 280, 290, 314, 320, 392, 406, 448, 464, 490, 560, 580, 628, 784, 785, 812, 928, 980, 1015, 1099, 1120, 1160, 1256, 1421, 1568, 1570, 1624, 1856, 1960, 2030, 2198, 2240, 2320, 2512, 2842, 3136, 3140, 3248, 3920, 4060, 4396, 4553, 4640, 5024, 5495, 5684, 6280, 6496, 7105, 7693, 7840, 8120, 8792, 9106, 9280, 10048, 10990, 11368, 12560, 12992, 14210, 15386, 15680, 16240, 17584, 18212, 21980, 22736, 22765, 25120, 28420, 30772, 31871, 32480, 35168, 36424, 38465, 43960, 45472, 45530, 50240, 56840, 61544, 63742, 64960, 70336, 72848, 76930, 87920, 90944, 91060, 113680, 123088, 127484, 145696, 153860, 159355, 175840, 182120, 223097, 227360, 246176, 254968, 291392, 307720, 318710, 351680, 364240, 446194, 454720, 492352, 509936, 615440, 637420, 728480, 892388, 1019872, 1115485, 1230880, 1274840, 1456960, 1784776, 2039744, 2230970, 2461760, 2549680, 3569552, 4461940, 5099360, 7139104, 8923880, 10198720, 14278208, 17847760, 35695520, 71391040]

約数ペア:

[(1, 71391040), (2, 35695520), (4, 17847760), (5, 14278208), (7, 10198720), (8, 8923880), (10, 7139104), (14, 5099360), (16, 4461940), (20, 3569552), (28, 2549680), (29, 2461760), (32, 2230970), (35, 2039744), (40, 1784776), (49, 1456960), (56, 1274840), (58, 1230880), (64, 1115485), (70, 1019872), (80, 892388), (98, 728480), (112, 637420), (116, 615440), (140, 509936), (145, 492352), (157, 454720), (160, 446194), (196, 364240), (203, 351680), (224, 318710), (232, 307720), (245, 291392), (280, 254968), (290, 246176), (314, 227360), (320, 223097), (392, 182120), (406, 175840), (448, 159355), (464, 153860), (490, 145696), (560, 127484), (580, 123088), (628, 113680), (784, 91060), (785, 90944), (812, 87920), (928, 76930), (980, 72848), (1015, 70336), (1099, 64960), (1120, 63742), (1160, 61544), (1256, 56840), (1421, 50240), (1568, 45530), (1570, 45472), (1624, 43960), (1856, 38465), (1960, 36424), (2030, 35168), (2198, 32480), (2240, 31871), (2320, 30772), (2512, 28420), (2842, 25120), (3136, 22765), (3140, 22736), (3248, 21980), (3920, 18212), (4060, 17584), (4396, 16240), (4553, 15680), (4640, 15386), (5024, 14210), (5495, 12992), (5684, 12560), (6280, 11368), (6496, 10990), (7105, 10048), (7693, 9280), (7840, 9106), (8120, 8792)]