40870620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 143270400

約数和(自身を除く): 102399780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 163, 180, 199, 210, 252, 315, 326, 398, 420, 489, 597, 630, 652, 796, 815, 978, 995, 1141, 1194, 1260, 1393, 1467, 1630, 1791, 1956, 1990, 2282, 2388, 2445, 2786, 2934, 2985, 3260, 3423, 3582, 3980, 4179, 4564, 4890, 5572, 5705, 5868, 5970, 6846, 6965, 7164, 7335, 8358, 8955, 9780, 10269, 11410, 11940, 12537, 13692, 13930, 14670, 16716, 17115, 17910, 20538, 20895, 22820, 25074, 27860, 29340, 32437, 34230, 35820, 41076, 41790, 50148, 51345, 62685, 64874, 68460, 83580, 97311, 102690, 125370, 129748, 162185, 194622, 205380, 227059, 250740, 291933, 324370, 389244, 454118, 486555, 583866, 648740, 681177, 908236, 973110, 1135295, 1167732, 1362354, 1459665, 1946220, 2043531, 2270590, 2724708, 2919330, 3405885, 4087062, 4541180, 5838660, 6811770, 8174124, 10217655, 13623540, 20435310, 40870620]

約数ペア:

[(1, 40870620), (2, 20435310), (3, 13623540), (4, 10217655), (5, 8174124), (6, 6811770), (7, 5838660), (9, 4541180), (10, 4087062), (12, 3405885), (14, 2919330), (15, 2724708), (18, 2270590), (20, 2043531), (21, 1946220), (28, 1459665), (30, 1362354), (35, 1167732), (36, 1135295), (42, 973110), (45, 908236), (60, 681177), (63, 648740), (70, 583866), (84, 486555), (90, 454118), (105, 389244), (126, 324370), (140, 291933), (163, 250740), (180, 227059), (199, 205380), (210, 194622), (252, 162185), (315, 129748), (326, 125370), (398, 102690), (420, 97311), (489, 83580), (597, 68460), (630, 64874), (652, 62685), (796, 51345), (815, 50148), (978, 41790), (995, 41076), (1141, 35820), (1194, 34230), (1260, 32437), (1393, 29340), (1467, 27860), (1630, 25074), (1791, 22820), (1956, 20895), (1990, 20538), (2282, 17910), (2388, 17115), (2445, 16716), (2786, 14670), (2934, 13930), (2985, 13692), (3260, 12537), (3423, 11940), (3582, 11410), (3980, 10269), (4179, 9780), (4564, 8955), (4890, 8358), (5572, 7335), (5705, 7164), (5868, 6965), (5970, 6846)]