171377920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:676

約数の個数: 144

約数和(自身を含む): 485065728

約数和(自身を除く): 313687808

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, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 560, 617, 620, 640, 868, 896, 992, 1085, 1120, 1234, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2468, 2480, 3085, 3472, 3968, 4319, 4340, 4480, 4936, 4960, 6170, 6944, 7936, 8638, 8680, 8960, 9872, 9920, 12340, 13888, 17276, 17360, 19127, 19744, 19840, 21595, 24680, 27776, 34552, 34720, 38254, 39488, 39680, 43190, 49360, 55552, 69104, 69440, 76508, 78976, 86380, 95635, 98720, 133889, 138208, 138880, 153016, 157952, 172760, 191270, 197440, 267778, 276416, 277760, 306032, 345520, 382540, 394880, 535556, 552832, 612064, 669445, 691040, 765080, 789760, 1071112, 1105664, 1224128, 1338890, 1382080, 1530160, 2142224, 2448256, 2677780, 2764160, 3060320, 4284448, 4896512, 5355560, 5528320, 6120640, 8568896, 10711120, 12241280, 17137792, 21422240, 24482560, 34275584, 42844480, 85688960, 171377920]

約数ペア:

[(1, 171377920), (2, 85688960), (4, 42844480), (5, 34275584), (7, 24482560), (8, 21422240), (10, 17137792), (14, 12241280), (16, 10711120), (20, 8568896), (28, 6120640), (31, 5528320), (32, 5355560), (35, 4896512), (40, 4284448), (56, 3060320), (62, 2764160), (64, 2677780), (70, 2448256), (80, 2142224), (112, 1530160), (124, 1382080), (128, 1338890), (140, 1224128), (155, 1105664), (160, 1071112), (217, 789760), (224, 765080), (248, 691040), (256, 669445), (280, 612064), (310, 552832), (320, 535556), (434, 394880), (448, 382540), (496, 345520), (560, 306032), (617, 277760), (620, 276416), (640, 267778), (868, 197440), (896, 191270), (992, 172760), (1085, 157952), (1120, 153016), (1234, 138880), (1240, 138208), (1280, 133889), (1736, 98720), (1792, 95635), (1984, 86380), (2170, 78976), (2240, 76508), (2468, 69440), (2480, 69104), (3085, 55552), (3472, 49360), (3968, 43190), (4319, 39680), (4340, 39488), (4480, 38254), (4936, 34720), (4960, 34552), (6170, 27776), (6944, 24680), (7936, 21595), (8638, 19840), (8680, 19744), (8960, 19127), (9872, 17360), (9920, 17276), (12340, 13888)]