163938840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5531}}^1$

素因数の和:5577

約数の個数: 128

約数和(自身を含む): 557625600

約数和(自身を除く): 393686760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2964, 3705, 4940, 5531, 5928, 7410, 9880, 11062, 14820, 16593, 22124, 27655, 29640, 33186, 44248, 55310, 66372, 71903, 82965, 105089, 110620, 132744, 143806, 165930, 210178, 215709, 221240, 287612, 315267, 331860, 359515, 420356, 431418, 525445, 575224, 630534, 663720, 719030, 840712, 862836, 1050890, 1078545, 1261068, 1366157, 1438060, 1576335, 1725672, 2101780, 2157090, 2522136, 2732314, 2876120, 3152670, 4098471, 4203560, 4314180, 5464628, 6305340, 6830785, 8196942, 8628360, 10929256, 12610680, 13661570, 16393884, 20492355, 27323140, 32787768, 40984710, 54646280, 81969420, 163938840]

約数ペア:

[(1, 163938840), (2, 81969420), (3, 54646280), (4, 40984710), (5, 32787768), (6, 27323140), (8, 20492355), (10, 16393884), (12, 13661570), (13, 12610680), (15, 10929256), (19, 8628360), (20, 8196942), (24, 6830785), (26, 6305340), (30, 5464628), (38, 4314180), (39, 4203560), (40, 4098471), (52, 3152670), (57, 2876120), (60, 2732314), (65, 2522136), (76, 2157090), (78, 2101780), (95, 1725672), (104, 1576335), (114, 1438060), (120, 1366157), (130, 1261068), (152, 1078545), (156, 1050890), (190, 862836), (195, 840712), (228, 719030), (247, 663720), (260, 630534), (285, 575224), (312, 525445), (380, 431418), (390, 420356), (456, 359515), (494, 331860), (520, 315267), (570, 287612), (741, 221240), (760, 215709), (780, 210178), (988, 165930), (1140, 143806), (1235, 132744), (1482, 110620), (1560, 105089), (1976, 82965), (2280, 71903), (2470, 66372), (2964, 55310), (3705, 44248), (4940, 33186), (5531, 29640), (5928, 27655), (7410, 22124), (9880, 16593), (11062, 14820)]