220945680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:590

約数の個数: 240

約数和(自身を含む): 807805440

約数和(自身を除く): 586859760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 48, 57, 60, 62, 72, 76, 80, 90, 93, 95, 114, 120, 124, 144, 152, 155, 171, 180, 186, 190, 228, 240, 248, 279, 285, 304, 310, 342, 360, 372, 380, 456, 465, 496, 521, 558, 570, 589, 620, 684, 720, 744, 760, 855, 912, 930, 1042, 1116, 1140, 1178, 1240, 1368, 1395, 1488, 1520, 1563, 1710, 1767, 1860, 2084, 2232, 2280, 2356, 2480, 2605, 2736, 2790, 2945, 3126, 3420, 3534, 3720, 4168, 4464, 4560, 4689, 4712, 5210, 5301, 5580, 5890, 6252, 6840, 7068, 7440, 7815, 8336, 8835, 9378, 9424, 9899, 10420, 10602, 11160, 11780, 12504, 13680, 14136, 15630, 16151, 17670, 18756, 19798, 20840, 21204, 22320, 23445, 23560, 25008, 26505, 28272, 29697, 31260, 32302, 35340, 37512, 39596, 41680, 42408, 46890, 47120, 48453, 49495, 53010, 59394, 62520, 64604, 70680, 75024, 79192, 80755, 84816, 89091, 93780, 96906, 98990, 106020, 118788, 125040, 129208, 141360, 145359, 148485, 158384, 161510, 178182, 187560, 193812, 197980, 212040, 237576, 242265, 258416, 290718, 296970, 306869, 323020, 356364, 375120, 387624, 395960, 424080, 445455, 475152, 484530, 581436, 593940, 613738, 646040, 712728, 726795, 775248, 791920, 890910, 920607, 969060, 1162872, 1187880, 1227476, 1292080, 1425456, 1453590, 1534345, 1781820, 1841214, 1938120, 2325744, 2375760, 2454952, 2761821, 2907180, 3068690, 3563640, 3682428, 3876240, 4603035, 4909904, 5523642, 5814360, 6137380, 7127280, 7364856, 9206070, 11047284, 11628720, 12274760, 13809105, 14729712, 18412140, 22094568, 24549520, 27618210, 36824280, 44189136, 55236420, 73648560, 110472840, 220945680]

約数ペア:

[(1, 220945680), (2, 110472840), (3, 73648560), (4, 55236420), (5, 44189136), (6, 36824280), (8, 27618210), (9, 24549520), (10, 22094568), (12, 18412140), (15, 14729712), (16, 13809105), (18, 12274760), (19, 11628720), (20, 11047284), (24, 9206070), (30, 7364856), (31, 7127280), (36, 6137380), (38, 5814360), (40, 5523642), (45, 4909904), (48, 4603035), (57, 3876240), (60, 3682428), (62, 3563640), (72, 3068690), (76, 2907180), (80, 2761821), (90, 2454952), (93, 2375760), (95, 2325744), (114, 1938120), (120, 1841214), (124, 1781820), (144, 1534345), (152, 1453590), (155, 1425456), (171, 1292080), (180, 1227476), (186, 1187880), (190, 1162872), (228, 969060), (240, 920607), (248, 890910), (279, 791920), (285, 775248), (304, 726795), (310, 712728), (342, 646040), (360, 613738), (372, 593940), (380, 581436), (456, 484530), (465, 475152), (496, 445455), (521, 424080), (558, 395960), (570, 387624), (589, 375120), (620, 356364), (684, 323020), (720, 306869), (744, 296970), (760, 290718), (855, 258416), (912, 242265), (930, 237576), (1042, 212040), (1116, 197980), (1140, 193812), (1178, 187560), (1240, 178182), (1368, 161510), (1395, 158384), (1488, 148485), (1520, 145359), (1563, 141360), (1710, 129208), (1767, 125040), (1860, 118788), (2084, 106020), (2232, 98990), (2280, 96906), (2356, 93780), (2480, 89091), (2605, 84816), (2736, 80755), (2790, 79192), (2945, 75024), (3126, 70680), (3420, 64604), (3534, 62520), (3720, 59394), (4168, 53010), (4464, 49495), (4560, 48453), (4689, 47120), (4712, 46890), (5210, 42408), (5301, 41680), (5580, 39596), (5890, 37512), (6252, 35340), (6840, 32302), (7068, 31260), (7440, 29697), (7815, 28272), (8336, 26505), (8835, 25008), (9378, 23560), (9424, 23445), (9899, 22320), (10420, 21204), (10602, 20840), (11160, 19798), (11780, 18756), (12504, 17670), (13680, 16151), (14136, 15630)]