81242460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 192

約数和(自身を含む): 277724160

約数和(自身を除く): 196481700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 71, 78, 90, 108, 117, 130, 135, 142, 156, 163, 180, 195, 213, 234, 260, 270, 284, 326, 351, 355, 390, 426, 468, 489, 540, 585, 639, 652, 702, 710, 780, 815, 852, 923, 978, 1065, 1170, 1278, 1404, 1420, 1467, 1630, 1755, 1846, 1917, 1956, 2119, 2130, 2340, 2445, 2556, 2769, 2934, 3195, 3260, 3510, 3692, 3834, 4238, 4260, 4401, 4615, 4890, 5538, 5868, 6357, 6390, 7020, 7335, 7668, 8307, 8476, 8802, 9230, 9585, 9780, 10595, 11076, 11573, 12714, 12780, 13845, 14670, 16614, 17604, 18460, 19071, 19170, 21190, 22005, 23146, 24921, 25428, 27690, 29340, 31785, 33228, 34719, 38142, 38340, 41535, 42380, 44010, 46292, 49842, 55380, 57213, 57865, 63570, 69438, 76284, 83070, 88020, 95355, 99684, 104157, 114426, 115730, 124605, 127140, 138876, 150449, 166140, 173595, 190710, 208314, 228852, 231460, 249210, 286065, 300898, 312471, 347190, 381420, 416628, 451347, 498420, 520785, 572130, 601796, 624942, 694380, 752245, 902694, 1041570, 1144260, 1249884, 1354041, 1504490, 1562355, 1805388, 2083140, 2256735, 2708082, 3008980, 3124710, 4062123, 4513470, 5416164, 6249420, 6770205, 8124246, 9026940, 13540410, 16248492, 20310615, 27080820, 40621230, 81242460]

約数ペア:

[(1, 81242460), (2, 40621230), (3, 27080820), (4, 20310615), (5, 16248492), (6, 13540410), (9, 9026940), (10, 8124246), (12, 6770205), (13, 6249420), (15, 5416164), (18, 4513470), (20, 4062123), (26, 3124710), (27, 3008980), (30, 2708082), (36, 2256735), (39, 2083140), (45, 1805388), (52, 1562355), (54, 1504490), (60, 1354041), (65, 1249884), (71, 1144260), (78, 1041570), (90, 902694), (108, 752245), (117, 694380), (130, 624942), (135, 601796), (142, 572130), (156, 520785), (163, 498420), (180, 451347), (195, 416628), (213, 381420), (234, 347190), (260, 312471), (270, 300898), (284, 286065), (326, 249210), (351, 231460), (355, 228852), (390, 208314), (426, 190710), (468, 173595), (489, 166140), (540, 150449), (585, 138876), (639, 127140), (652, 124605), (702, 115730), (710, 114426), (780, 104157), (815, 99684), (852, 95355), (923, 88020), (978, 83070), (1065, 76284), (1170, 69438), (1278, 63570), (1404, 57865), (1420, 57213), (1467, 55380), (1630, 49842), (1755, 46292), (1846, 44010), (1917, 42380), (1956, 41535), (2119, 38340), (2130, 38142), (2340, 34719), (2445, 33228), (2556, 31785), (2769, 29340), (2934, 27690), (3195, 25428), (3260, 24921), (3510, 23146), (3692, 22005), (3834, 21190), (4238, 19170), (4260, 19071), (4401, 18460), (4615, 17604), (4890, 16614), (5538, 14670), (5868, 13845), (6357, 12780), (6390, 12714), (7020, 11573), (7335, 11076), (7668, 10595), (8307, 9780), (8476, 9585), (8802, 9230)]