30525390

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:575

約数の個数: 128

約数和(自身を含む): 96215040

約数和(自身を除く): 65689650

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 90, 93, 105, 126, 135, 155, 186, 189, 210, 217, 270, 279, 310, 315, 378, 434, 465, 521, 558, 630, 651, 837, 930, 945, 1042, 1085, 1302, 1395, 1563, 1674, 1890, 1953, 2170, 2605, 2790, 3126, 3255, 3647, 3906, 4185, 4689, 5210, 5859, 6510, 7294, 7815, 8370, 9378, 9765, 10941, 11718, 14067, 15630, 16151, 18235, 19530, 21882, 23445, 28134, 29295, 32302, 32823, 36470, 46890, 48453, 54705, 58590, 65646, 70335, 80755, 96906, 98469, 109410, 113057, 140670, 145359, 161510, 164115, 196938, 226114, 242265, 290718, 328230, 339171, 436077, 484530, 492345, 565285, 678342, 726795, 872154, 984690, 1017513, 1130570, 1453590, 1695855, 2035026, 2180385, 3052539, 3391710, 4360770, 5087565, 6105078, 10175130, 15262695, 30525390]

約数ペア:

[(1, 30525390), (2, 15262695), (3, 10175130), (5, 6105078), (6, 5087565), (7, 4360770), (9, 3391710), (10, 3052539), (14, 2180385), (15, 2035026), (18, 1695855), (21, 1453590), (27, 1130570), (30, 1017513), (31, 984690), (35, 872154), (42, 726795), (45, 678342), (54, 565285), (62, 492345), (63, 484530), (70, 436077), (90, 339171), (93, 328230), (105, 290718), (126, 242265), (135, 226114), (155, 196938), (186, 164115), (189, 161510), (210, 145359), (217, 140670), (270, 113057), (279, 109410), (310, 98469), (315, 96906), (378, 80755), (434, 70335), (465, 65646), (521, 58590), (558, 54705), (630, 48453), (651, 46890), (837, 36470), (930, 32823), (945, 32302), (1042, 29295), (1085, 28134), (1302, 23445), (1395, 21882), (1563, 19530), (1674, 18235), (1890, 16151), (1953, 15630), (2170, 14067), (2605, 11718), (2790, 10941), (3126, 9765), (3255, 9378), (3647, 8370), (3906, 7815), (4185, 7294), (4689, 6510), (5210, 5859)]