80219790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{571}}^1$

素因数の和:814

約数の個数: 96

約数和(自身を含む): 239855616

約数和(自身を除く): 159635826

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 223, 315, 446, 571, 630, 669, 1115, 1142, 1338, 1561, 1713, 2007, 2230, 2855, 3122, 3345, 3426, 3997, 4014, 4683, 5139, 5710, 6690, 7805, 7994, 8565, 9366, 10035, 10278, 11991, 14049, 15610, 17130, 19985, 20070, 23415, 23982, 25695, 28098, 35973, 39970, 46830, 51390, 59955, 70245, 71946, 119910, 127333, 140490, 179865, 254666, 359730, 381999, 636665, 763998, 891331, 1145997, 1273330, 1782662, 1909995, 2291994, 2673993, 3819990, 4456655, 5347986, 5729985, 8021979, 8913310, 11459970, 13369965, 16043958, 26739930, 40109895, 80219790]

約数ペア:

[(1, 80219790), (2, 40109895), (3, 26739930), (5, 16043958), (6, 13369965), (7, 11459970), (9, 8913310), (10, 8021979), (14, 5729985), (15, 5347986), (18, 4456655), (21, 3819990), (30, 2673993), (35, 2291994), (42, 1909995), (45, 1782662), (63, 1273330), (70, 1145997), (90, 891331), (105, 763998), (126, 636665), (210, 381999), (223, 359730), (315, 254666), (446, 179865), (571, 140490), (630, 127333), (669, 119910), (1115, 71946), (1142, 70245), (1338, 59955), (1561, 51390), (1713, 46830), (2007, 39970), (2230, 35973), (2855, 28098), (3122, 25695), (3345, 23982), (3426, 23415), (3997, 20070), (4014, 19985), (4683, 17130), (5139, 15610), (5710, 14049), (6690, 11991), (7805, 10278), (7994, 10035), (8565, 9366)]