1249791720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{612643}}^1$

素因数の和:612674

約数の個数: 64

約数和(自身を含む): 3969933120

約数和(自身を除く): 2720141400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 612643, 1225286, 1837929, 2450572, 3063215, 3675858, 4901144, 6126430, 7351716, 9189645, 10414931, 12252860, 14703432, 18379290, 20829862, 24505720, 31244793, 36758580, 41659724, 52074655, 62489586, 73517160, 83319448, 104149310, 124979172, 156223965, 208298620, 249958344, 312447930, 416597240, 624895860, 1249791720]

約数ペア:

[(1, 1249791720), (2, 624895860), (3, 416597240), (4, 312447930), (5, 249958344), (6, 208298620), (8, 156223965), (10, 124979172), (12, 104149310), (15, 83319448), (17, 73517160), (20, 62489586), (24, 52074655), (30, 41659724), (34, 36758580), (40, 31244793), (51, 24505720), (60, 20829862), (68, 18379290), (85, 14703432), (102, 12252860), (120, 10414931), (136, 9189645), (170, 7351716), (204, 6126430), (255, 4901144), (340, 3675858), (408, 3063215), (510, 2450572), (680, 1837929), (1020, 1225286), (2040, 612643)]