51550380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:436

約数の個数: 144

約数和(自身を含む): 180520704

約数和(自身を除く): 128970324

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, 251, 252, 315, 326, 420, 489, 502, 630, 652, 753, 815, 978, 1004, 1141, 1255, 1260, 1467, 1506, 1630, 1757, 1956, 2259, 2282, 2445, 2510, 2934, 3012, 3260, 3423, 3514, 3765, 4518, 4564, 4890, 5020, 5271, 5705, 5868, 6846, 7028, 7335, 7530, 8785, 9036, 9780, 10269, 10542, 11295, 11410, 13692, 14670, 15060, 15813, 17115, 17570, 20538, 21084, 22590, 22820, 26355, 29340, 31626, 34230, 35140, 40913, 41076, 45180, 51345, 52710, 63252, 68460, 79065, 81826, 102690, 105420, 122739, 158130, 163652, 204565, 205380, 245478, 286391, 316260, 368217, 409130, 490956, 572782, 613695, 736434, 818260, 859173, 1145564, 1227390, 1431955, 1472868, 1718346, 1841085, 2454780, 2577519, 2863910, 3436692, 3682170, 4295865, 5155038, 5727820, 7364340, 8591730, 10310076, 12887595, 17183460, 25775190, 51550380]

約数ペア:

[(1, 51550380), (2, 25775190), (3, 17183460), (4, 12887595), (5, 10310076), (6, 8591730), (7, 7364340), (9, 5727820), (10, 5155038), (12, 4295865), (14, 3682170), (15, 3436692), (18, 2863910), (20, 2577519), (21, 2454780), (28, 1841085), (30, 1718346), (35, 1472868), (36, 1431955), (42, 1227390), (45, 1145564), (60, 859173), (63, 818260), (70, 736434), (84, 613695), (90, 572782), (105, 490956), (126, 409130), (140, 368217), (163, 316260), (180, 286391), (210, 245478), (251, 205380), (252, 204565), (315, 163652), (326, 158130), (420, 122739), (489, 105420), (502, 102690), (630, 81826), (652, 79065), (753, 68460), (815, 63252), (978, 52710), (1004, 51345), (1141, 45180), (1255, 41076), (1260, 40913), (1467, 35140), (1506, 34230), (1630, 31626), (1757, 29340), (1956, 26355), (2259, 22820), (2282, 22590), (2445, 21084), (2510, 20538), (2934, 17570), (3012, 17115), (3260, 15813), (3423, 15060), (3514, 14670), (3765, 13692), (4518, 11410), (4564, 11295), (4890, 10542), (5020, 10269), (5271, 9780), (5705, 9036), (5868, 8785), (6846, 7530), (7028, 7335)]