81658710

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{571}}^1$

素因数の和:818

約数の個数: 96

約数和(自身を含む): 244138752

約数和(自身を除く): 162480042

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, 227, 315, 454, 571, 630, 681, 1135, 1142, 1362, 1589, 1713, 2043, 2270, 2855, 3178, 3405, 3426, 3997, 4086, 4767, 5139, 5710, 6810, 7945, 7994, 8565, 9534, 10215, 10278, 11991, 14301, 15890, 17130, 19985, 20430, 23835, 23982, 25695, 28602, 35973, 39970, 47670, 51390, 59955, 71505, 71946, 119910, 129617, 143010, 179865, 259234, 359730, 388851, 648085, 777702, 907319, 1166553, 1296170, 1814638, 1944255, 2333106, 2721957, 3888510, 4536595, 5443914, 5832765, 8165871, 9073190, 11665530, 13609785, 16331742, 27219570, 40829355, 81658710]

約数ペア:

[(1, 81658710), (2, 40829355), (3, 27219570), (5, 16331742), (6, 13609785), (7, 11665530), (9, 9073190), (10, 8165871), (14, 5832765), (15, 5443914), (18, 4536595), (21, 3888510), (30, 2721957), (35, 2333106), (42, 1944255), (45, 1814638), (63, 1296170), (70, 1166553), (90, 907319), (105, 777702), (126, 648085), (210, 388851), (227, 359730), (315, 259234), (454, 179865), (571, 143010), (630, 129617), (681, 119910), (1135, 71946), (1142, 71505), (1362, 59955), (1589, 51390), (1713, 47670), (2043, 39970), (2270, 35973), (2855, 28602), (3178, 25695), (3405, 23982), (3426, 23835), (3997, 20430), (4086, 19985), (4767, 17130), (5139, 15890), (5710, 14301), (6810, 11991), (7945, 10278), (7994, 10215), (8565, 9534)]