716781780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27847}}^1$

素因数の和:27886

約数の個数: 144

約数和(自身を含む): 2554441344

約数和(自身を除く): 1837659564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2860, 4290, 5148, 6435, 8580, 12870, 25740, 27847, 55694, 83541, 111388, 139235, 167082, 250623, 278470, 306317, 334164, 362011, 417705, 501246, 556940, 612634, 724022, 835410, 918951, 1002492, 1086033, 1225268, 1253115, 1448044, 1531585, 1670820, 1810055, 1837902, 2172066, 2506230, 2756853, 3063170, 3258099, 3620110, 3675804, 3982121, 4344132, 4594755, 5012460, 5430165, 5513706, 6126340, 6516198, 7240220, 7964242, 9189510, 10860330, 11027412, 11946363, 13032396, 13784265, 15928484, 16290495, 18379020, 19910605, 21720660, 23892726, 27568530, 32580990, 35839089, 39821210, 47785452, 55137060, 59731815, 65161980, 71678178, 79642420, 119463630, 143356356, 179195445, 238927260, 358390890, 716781780]

約数ペア:

[(1, 716781780), (2, 358390890), (3, 238927260), (4, 179195445), (5, 143356356), (6, 119463630), (9, 79642420), (10, 71678178), (11, 65161980), (12, 59731815), (13, 55137060), (15, 47785452), (18, 39821210), (20, 35839089), (22, 32580990), (26, 27568530), (30, 23892726), (33, 21720660), (36, 19910605), (39, 18379020), (44, 16290495), (45, 15928484), (52, 13784265), (55, 13032396), (60, 11946363), (65, 11027412), (66, 10860330), (78, 9189510), (90, 7964242), (99, 7240220), (110, 6516198), (117, 6126340), (130, 5513706), (132, 5430165), (143, 5012460), (156, 4594755), (165, 4344132), (180, 3982121), (195, 3675804), (198, 3620110), (220, 3258099), (234, 3063170), (260, 2756853), (286, 2506230), (330, 2172066), (390, 1837902), (396, 1810055), (429, 1670820), (468, 1531585), (495, 1448044), (572, 1253115), (585, 1225268), (660, 1086033), (715, 1002492), (780, 918951), (858, 835410), (990, 724022), (1170, 612634), (1287, 556940), (1430, 501246), (1716, 417705), (1980, 362011), (2145, 334164), (2340, 306317), (2574, 278470), (2860, 250623), (4290, 167082), (5148, 139235), (6435, 111388), (8580, 83541), (12870, 55694), (25740, 27847)]