81227790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:303

約数の個数: 144

約数和(自身を含む): 249367248

約数和(自身を除く): 168139458

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 113, 126, 147, 163, 210, 226, 245, 294, 315, 326, 339, 441, 489, 490, 565, 630, 678, 735, 791, 815, 882, 978, 1017, 1130, 1141, 1467, 1470, 1582, 1630, 1695, 2034, 2205, 2282, 2373, 2445, 2934, 3390, 3423, 3955, 4410, 4746, 4890, 5085, 5537, 5705, 6846, 7119, 7335, 7910, 7987, 10170, 10269, 11074, 11410, 11865, 14238, 14670, 15974, 16611, 17115, 18419, 20538, 23730, 23961, 27685, 33222, 34230, 35595, 36838, 39935, 47922, 49833, 51345, 55257, 55370, 71190, 71883, 79870, 83055, 92095, 99666, 102690, 110514, 119805, 128933, 143766, 165771, 166110, 184190, 239610, 249165, 257866, 276285, 331542, 359415, 386799, 498330, 552570, 644665, 718830, 773598, 828855, 902531, 1160397, 1289330, 1657710, 1805062, 1933995, 2320794, 2707593, 3867990, 4512655, 5415186, 5801985, 8122779, 9025310, 11603970, 13537965, 16245558, 27075930, 40613895, 81227790]

約数ペア:

[(1, 81227790), (2, 40613895), (3, 27075930), (5, 16245558), (6, 13537965), (7, 11603970), (9, 9025310), (10, 8122779), (14, 5801985), (15, 5415186), (18, 4512655), (21, 3867990), (30, 2707593), (35, 2320794), (42, 1933995), (45, 1805062), (49, 1657710), (63, 1289330), (70, 1160397), (90, 902531), (98, 828855), (105, 773598), (113, 718830), (126, 644665), (147, 552570), (163, 498330), (210, 386799), (226, 359415), (245, 331542), (294, 276285), (315, 257866), (326, 249165), (339, 239610), (441, 184190), (489, 166110), (490, 165771), (565, 143766), (630, 128933), (678, 119805), (735, 110514), (791, 102690), (815, 99666), (882, 92095), (978, 83055), (1017, 79870), (1130, 71883), (1141, 71190), (1467, 55370), (1470, 55257), (1582, 51345), (1630, 49833), (1695, 47922), (2034, 39935), (2205, 36838), (2282, 35595), (2373, 34230), (2445, 33222), (2934, 27685), (3390, 23961), (3423, 23730), (3955, 20538), (4410, 18419), (4746, 17115), (4890, 16611), (5085, 15974), (5537, 14670), (5705, 14238), (6846, 11865), (7119, 11410), (7335, 11074), (7910, 10269), (7987, 10170)]