255441420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{631}}^1$

素因数の和:832

約数の個数: 144

約数和(自身を含む): 840595392

約数和(自身を除く): 585153972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 173, 180, 195, 234, 260, 346, 390, 468, 519, 585, 631, 692, 780, 865, 1038, 1170, 1262, 1557, 1730, 1893, 2076, 2249, 2340, 2524, 2595, 3114, 3155, 3460, 3786, 4498, 5190, 5679, 6228, 6310, 6747, 7572, 7785, 8203, 8996, 9465, 10380, 11245, 11358, 12620, 13494, 15570, 16406, 18930, 20241, 22490, 22716, 24609, 26988, 28395, 31140, 32812, 33735, 37860, 40482, 41015, 44980, 49218, 56790, 67470, 73827, 80964, 82030, 98436, 101205, 109163, 113580, 123045, 134940, 147654, 164060, 202410, 218326, 246090, 295308, 327489, 369135, 404820, 436652, 492180, 545815, 654978, 738270, 982467, 1091630, 1309956, 1419119, 1476540, 1637445, 1964934, 2183260, 2838238, 3274890, 3929868, 4257357, 4912335, 5676476, 6549780, 7095595, 8514714, 9824670, 12772071, 14191190, 17029428, 19649340, 21286785, 25544142, 28382380, 42573570, 51088284, 63860355, 85147140, 127720710, 255441420]

約数ペア:

[(1, 255441420), (2, 127720710), (3, 85147140), (4, 63860355), (5, 51088284), (6, 42573570), (9, 28382380), (10, 25544142), (12, 21286785), (13, 19649340), (15, 17029428), (18, 14191190), (20, 12772071), (26, 9824670), (30, 8514714), (36, 7095595), (39, 6549780), (45, 5676476), (52, 4912335), (60, 4257357), (65, 3929868), (78, 3274890), (90, 2838238), (117, 2183260), (130, 1964934), (156, 1637445), (173, 1476540), (180, 1419119), (195, 1309956), (234, 1091630), (260, 982467), (346, 738270), (390, 654978), (468, 545815), (519, 492180), (585, 436652), (631, 404820), (692, 369135), (780, 327489), (865, 295308), (1038, 246090), (1170, 218326), (1262, 202410), (1557, 164060), (1730, 147654), (1893, 134940), (2076, 123045), (2249, 113580), (2340, 109163), (2524, 101205), (2595, 98436), (3114, 82030), (3155, 80964), (3460, 73827), (3786, 67470), (4498, 56790), (5190, 49218), (5679, 44980), (6228, 41015), (6310, 40482), (6747, 37860), (7572, 33735), (7785, 32812), (8203, 31140), (8996, 28395), (9465, 26988), (10380, 24609), (11245, 22716), (11358, 22490), (12620, 20241), (13494, 18930), (15570, 16406)]