90161820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:624

約数の個数: 144

約数和(自身を含む): 315194880

約数和(自身を除く): 225033060

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, 439, 489, 630, 652, 815, 878, 978, 1141, 1260, 1317, 1467, 1630, 1756, 1956, 2195, 2282, 2445, 2634, 2934, 3073, 3260, 3423, 3951, 4390, 4564, 4890, 5268, 5705, 5868, 6146, 6585, 6846, 7335, 7902, 8780, 9219, 9780, 10269, 11410, 12292, 13170, 13692, 14670, 15365, 15804, 17115, 18438, 19755, 20538, 22820, 26340, 27657, 29340, 30730, 34230, 36876, 39510, 41076, 46095, 51345, 55314, 61460, 68460, 71557, 79020, 92190, 102690, 110628, 138285, 143114, 184380, 205380, 214671, 276570, 286228, 357785, 429342, 500899, 553140, 644013, 715570, 858684, 1001798, 1073355, 1288026, 1431140, 1502697, 2003596, 2146710, 2504495, 2576052, 3005394, 3220065, 4293420, 4508091, 5008990, 6010788, 6440130, 7513485, 9016182, 10017980, 12880260, 15026970, 18032364, 22540455, 30053940, 45080910, 90161820]

約数ペア:

[(1, 90161820), (2, 45080910), (3, 30053940), (4, 22540455), (5, 18032364), (6, 15026970), (7, 12880260), (9, 10017980), (10, 9016182), (12, 7513485), (14, 6440130), (15, 6010788), (18, 5008990), (20, 4508091), (21, 4293420), (28, 3220065), (30, 3005394), (35, 2576052), (36, 2504495), (42, 2146710), (45, 2003596), (60, 1502697), (63, 1431140), (70, 1288026), (84, 1073355), (90, 1001798), (105, 858684), (126, 715570), (140, 644013), (163, 553140), (180, 500899), (210, 429342), (252, 357785), (315, 286228), (326, 276570), (420, 214671), (439, 205380), (489, 184380), (630, 143114), (652, 138285), (815, 110628), (878, 102690), (978, 92190), (1141, 79020), (1260, 71557), (1317, 68460), (1467, 61460), (1630, 55314), (1756, 51345), (1956, 46095), (2195, 41076), (2282, 39510), (2445, 36876), (2634, 34230), (2934, 30730), (3073, 29340), (3260, 27657), (3423, 26340), (3951, 22820), (4390, 20538), (4564, 19755), (4890, 18438), (5268, 17115), (5705, 15804), (5868, 15365), (6146, 14670), (6585, 13692), (6846, 13170), (7335, 12292), (7902, 11410), (8780, 10269), (9219, 9780)]