1923155680

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{20407}}^1$

素因数の和:20472

約数の個数: 96

約数和(自身を含む): 4937103360

約数和(自身を除く): 3013947680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 380, 496, 589, 608, 620, 760, 992, 1178, 1240, 1520, 2356, 2480, 2945, 3040, 4712, 4960, 5890, 9424, 11780, 18848, 20407, 23560, 40814, 47120, 81628, 94240, 102035, 163256, 204070, 326512, 387733, 408140, 632617, 653024, 775466, 816280, 1265234, 1550932, 1632560, 1938665, 2530468, 3101864, 3163085, 3265120, 3877330, 5060936, 6203728, 6326170, 7754660, 10121872, 12019723, 12407456, 12652340, 15509320, 20243744, 24039446, 25304680, 31018640, 48078892, 50609360, 60098615, 62037280, 96157784, 101218720, 120197230, 192315568, 240394460, 384631136, 480788920, 961577840, 1923155680]

約数ペア:

[(1, 1923155680), (2, 961577840), (4, 480788920), (5, 384631136), (8, 240394460), (10, 192315568), (16, 120197230), (19, 101218720), (20, 96157784), (31, 62037280), (32, 60098615), (38, 50609360), (40, 48078892), (62, 31018640), (76, 25304680), (80, 24039446), (95, 20243744), (124, 15509320), (152, 12652340), (155, 12407456), (160, 12019723), (190, 10121872), (248, 7754660), (304, 6326170), (310, 6203728), (380, 5060936), (496, 3877330), (589, 3265120), (608, 3163085), (620, 3101864), (760, 2530468), (992, 1938665), (1178, 1632560), (1240, 1550932), (1520, 1265234), (2356, 816280), (2480, 775466), (2945, 653024), (3040, 632617), (4712, 408140), (4960, 387733), (5890, 326512), (9424, 204070), (11780, 163256), (18848, 102035), (20407, 94240), (23560, 81628), (40814, 47120)]