56831580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 188042400

約数和(自身を除く): 131210820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 149, 156, 163, 180, 195, 234, 260, 298, 326, 390, 447, 468, 489, 585, 596, 652, 745, 780, 815, 894, 978, 1170, 1341, 1467, 1490, 1630, 1788, 1937, 1956, 2119, 2235, 2340, 2445, 2682, 2934, 2980, 3260, 3874, 4238, 4470, 4890, 5364, 5811, 5868, 6357, 6705, 7335, 7748, 8476, 8940, 9685, 9780, 10595, 11622, 12714, 13410, 14670, 17433, 19071, 19370, 21190, 23244, 24287, 25428, 26820, 29055, 29340, 31785, 34866, 38142, 38740, 42380, 48574, 58110, 63570, 69732, 72861, 76284, 87165, 95355, 97148, 116220, 121435, 127140, 145722, 174330, 190710, 218583, 242870, 291444, 315731, 348660, 364305, 381420, 437166, 485740, 631462, 728610, 874332, 947193, 1092915, 1262924, 1457220, 1578655, 1894386, 2185830, 2841579, 3157310, 3788772, 4371660, 4735965, 5683158, 6314620, 9471930, 11366316, 14207895, 18943860, 28415790, 56831580]

約数ペア:

[(1, 56831580), (2, 28415790), (3, 18943860), (4, 14207895), (5, 11366316), (6, 9471930), (9, 6314620), (10, 5683158), (12, 4735965), (13, 4371660), (15, 3788772), (18, 3157310), (20, 2841579), (26, 2185830), (30, 1894386), (36, 1578655), (39, 1457220), (45, 1262924), (52, 1092915), (60, 947193), (65, 874332), (78, 728610), (90, 631462), (117, 485740), (130, 437166), (149, 381420), (156, 364305), (163, 348660), (180, 315731), (195, 291444), (234, 242870), (260, 218583), (298, 190710), (326, 174330), (390, 145722), (447, 127140), (468, 121435), (489, 116220), (585, 97148), (596, 95355), (652, 87165), (745, 76284), (780, 72861), (815, 69732), (894, 63570), (978, 58110), (1170, 48574), (1341, 42380), (1467, 38740), (1490, 38142), (1630, 34866), (1788, 31785), (1937, 29340), (1956, 29055), (2119, 26820), (2235, 25428), (2340, 24287), (2445, 23244), (2682, 21190), (2934, 19370), (2980, 19071), (3260, 17433), (3874, 14670), (4238, 13410), (4470, 12714), (4890, 11622), (5364, 10595), (5811, 9780), (5868, 9685), (6357, 8940), (6705, 8476), (7335, 7748)]