71344980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{8089}}^1$

素因数の和:8118

約数の個数: 108

約数和(自身を含む): 251776980

約数和(自身を除く): 180432000

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8089, 8820, 16178, 24267, 32356, 40445, 48534, 56623, 72801, 80890, 97068, 113246, 121335, 145602, 161780, 169869, 226492, 242670, 283115, 291204, 339738, 364005, 396361, 485340, 509607, 566230, 679476, 728010, 792722, 849345, 1019214, 1132460, 1189083, 1456020, 1585444, 1698690, 1981805, 2038428, 2378166, 2548035, 3397380, 3567249, 3963610, 4756332, 5096070, 5945415, 7134498, 7927220, 10192140, 11890830, 14268996, 17836245, 23781660, 35672490, 71344980]

約数ペア:

[(1, 71344980), (2, 35672490), (3, 23781660), (4, 17836245), (5, 14268996), (6, 11890830), (7, 10192140), (9, 7927220), (10, 7134498), (12, 5945415), (14, 5096070), (15, 4756332), (18, 3963610), (20, 3567249), (21, 3397380), (28, 2548035), (30, 2378166), (35, 2038428), (36, 1981805), (42, 1698690), (45, 1585444), (49, 1456020), (60, 1189083), (63, 1132460), (70, 1019214), (84, 849345), (90, 792722), (98, 728010), (105, 679476), (126, 566230), (140, 509607), (147, 485340), (180, 396361), (196, 364005), (210, 339738), (245, 291204), (252, 283115), (294, 242670), (315, 226492), (420, 169869), (441, 161780), (490, 145602), (588, 121335), (630, 113246), (735, 97068), (882, 80890), (980, 72801), (1260, 56623), (1470, 48534), (1764, 40445), (2205, 32356), (2940, 24267), (4410, 16178), (8089, 8820)]