172111520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{757}}^1$

素因数の和:815

約数の個数: 144

約数和(自身を含む): 489956040

約数和(自身を除く): 317844520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 160, 196, 203, 224, 232, 245, 280, 290, 392, 406, 464, 490, 560, 580, 757, 784, 812, 928, 980, 1015, 1120, 1160, 1421, 1514, 1568, 1624, 1960, 2030, 2320, 2842, 3028, 3248, 3785, 3920, 4060, 4640, 5299, 5684, 6056, 6496, 7105, 7570, 7840, 8120, 10598, 11368, 12112, 14210, 15140, 16240, 21196, 21953, 22736, 24224, 26495, 28420, 30280, 32480, 37093, 42392, 43906, 45472, 52990, 56840, 60560, 74186, 84784, 87812, 105980, 109765, 113680, 121120, 148372, 153671, 169568, 175624, 185465, 211960, 219530, 227360, 296744, 307342, 351248, 370930, 423920, 439060, 593488, 614684, 702496, 741860, 768355, 847840, 878120, 1075697, 1186976, 1229368, 1483720, 1536710, 1756240, 2151394, 2458736, 2967440, 3073420, 3512480, 4302788, 4917472, 5378485, 5934880, 6146840, 8605576, 10756970, 12293680, 17211152, 21513940, 24587360, 34422304, 43027880, 86055760, 172111520]

約数ペア:

[(1, 172111520), (2, 86055760), (4, 43027880), (5, 34422304), (7, 24587360), (8, 21513940), (10, 17211152), (14, 12293680), (16, 10756970), (20, 8605576), (28, 6146840), (29, 5934880), (32, 5378485), (35, 4917472), (40, 4302788), (49, 3512480), (56, 3073420), (58, 2967440), (70, 2458736), (80, 2151394), (98, 1756240), (112, 1536710), (116, 1483720), (140, 1229368), (145, 1186976), (160, 1075697), (196, 878120), (203, 847840), (224, 768355), (232, 741860), (245, 702496), (280, 614684), (290, 593488), (392, 439060), (406, 423920), (464, 370930), (490, 351248), (560, 307342), (580, 296744), (757, 227360), (784, 219530), (812, 211960), (928, 185465), (980, 175624), (1015, 169568), (1120, 153671), (1160, 148372), (1421, 121120), (1514, 113680), (1568, 109765), (1624, 105980), (1960, 87812), (2030, 84784), (2320, 74186), (2842, 60560), (3028, 56840), (3248, 52990), (3785, 45472), (3920, 43906), (4060, 42392), (4640, 37093), (5299, 32480), (5684, 30280), (6056, 28420), (6496, 26495), (7105, 24224), (7570, 22736), (7840, 21953), (8120, 21196), (10598, 16240), (11368, 15140), (12112, 14210)]