320187420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1559}}^1$

素因数の和:1744

約数の個数: 144

約数和(自身を含む): 1117509120

約数和(自身を除く): 797321700

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, 210, 252, 315, 326, 420, 489, 630, 652, 815, 978, 1141, 1260, 1467, 1559, 1630, 1956, 2282, 2445, 2934, 3118, 3260, 3423, 4564, 4677, 4890, 5705, 5868, 6236, 6846, 7335, 7795, 9354, 9780, 10269, 10913, 11410, 13692, 14031, 14670, 15590, 17115, 18708, 20538, 21826, 22820, 23385, 28062, 29340, 31180, 32739, 34230, 41076, 43652, 46770, 51345, 54565, 56124, 65478, 68460, 70155, 93540, 98217, 102690, 109130, 130956, 140310, 163695, 196434, 205380, 218260, 254117, 280620, 327390, 392868, 491085, 508234, 654780, 762351, 982170, 1016468, 1270585, 1524702, 1778819, 1964340, 2287053, 2541170, 3049404, 3557638, 3811755, 4574106, 5082340, 5336457, 7115276, 7623510, 8894095, 9148212, 10672914, 11435265, 15247020, 16009371, 17788190, 21345828, 22870530, 26682285, 32018742, 35576380, 45741060, 53364570, 64037484, 80046855, 106729140, 160093710, 320187420]

約数ペア:

[(1, 320187420), (2, 160093710), (3, 106729140), (4, 80046855), (5, 64037484), (6, 53364570), (7, 45741060), (9, 35576380), (10, 32018742), (12, 26682285), (14, 22870530), (15, 21345828), (18, 17788190), (20, 16009371), (21, 15247020), (28, 11435265), (30, 10672914), (35, 9148212), (36, 8894095), (42, 7623510), (45, 7115276), (60, 5336457), (63, 5082340), (70, 4574106), (84, 3811755), (90, 3557638), (105, 3049404), (126, 2541170), (140, 2287053), (163, 1964340), (180, 1778819), (210, 1524702), (252, 1270585), (315, 1016468), (326, 982170), (420, 762351), (489, 654780), (630, 508234), (652, 491085), (815, 392868), (978, 327390), (1141, 280620), (1260, 254117), (1467, 218260), (1559, 205380), (1630, 196434), (1956, 163695), (2282, 140310), (2445, 130956), (2934, 109130), (3118, 102690), (3260, 98217), (3423, 93540), (4564, 70155), (4677, 68460), (4890, 65478), (5705, 56124), (5868, 54565), (6236, 51345), (6846, 46770), (7335, 43652), (7795, 41076), (9354, 34230), (9780, 32739), (10269, 31180), (10913, 29340), (11410, 28062), (13692, 23385), (14031, 22820), (14670, 21826), (15590, 20538), (17115, 18708)]