720826020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:435

約数の個数: 192

約数和(自身を含む): 2316518400

約数和(自身を除く): 1595692380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 79, 90, 108, 122, 135, 158, 180, 183, 237, 244, 270, 277, 305, 316, 366, 395, 474, 540, 549, 554, 610, 711, 732, 790, 831, 915, 948, 1098, 1108, 1185, 1220, 1385, 1422, 1580, 1647, 1662, 1830, 2133, 2196, 2370, 2493, 2745, 2770, 2844, 3294, 3324, 3555, 3660, 4155, 4266, 4740, 4819, 4986, 5490, 5540, 6588, 7110, 7479, 8235, 8310, 8532, 9638, 9972, 10665, 10980, 12465, 14220, 14457, 14958, 16470, 16620, 16897, 19276, 21330, 21883, 24095, 24930, 28914, 29916, 32940, 33794, 37395, 42660, 43371, 43766, 48190, 49860, 50691, 57828, 65649, 67588, 72285, 74790, 84485, 86742, 87532, 96380, 101382, 109415, 130113, 131298, 144570, 149580, 152073, 168970, 173484, 196947, 202764, 216855, 218830, 253455, 260226, 262596, 289140, 304146, 328245, 337940, 393894, 433710, 437660, 456219, 506910, 520452, 590841, 608292, 650565, 656490, 760365, 787788, 867420, 912438, 984735, 1013820, 1181682, 1301130, 1312980, 1334863, 1520730, 1824876, 1969470, 2281095, 2363364, 2602260, 2669726, 2954205, 3041460, 3938940, 4004589, 4562190, 5339452, 5908410, 6674315, 8009178, 9124380, 11816820, 12013767, 13348630, 16018356, 20022945, 24027534, 26697260, 36041301, 40045890, 48055068, 60068835, 72082602, 80091780, 120137670, 144165204, 180206505, 240275340, 360413010, 720826020]

約数ペア:

[(1, 720826020), (2, 360413010), (3, 240275340), (4, 180206505), (5, 144165204), (6, 120137670), (9, 80091780), (10, 72082602), (12, 60068835), (15, 48055068), (18, 40045890), (20, 36041301), (27, 26697260), (30, 24027534), (36, 20022945), (45, 16018356), (54, 13348630), (60, 12013767), (61, 11816820), (79, 9124380), (90, 8009178), (108, 6674315), (122, 5908410), (135, 5339452), (158, 4562190), (180, 4004589), (183, 3938940), (237, 3041460), (244, 2954205), (270, 2669726), (277, 2602260), (305, 2363364), (316, 2281095), (366, 1969470), (395, 1824876), (474, 1520730), (540, 1334863), (549, 1312980), (554, 1301130), (610, 1181682), (711, 1013820), (732, 984735), (790, 912438), (831, 867420), (915, 787788), (948, 760365), (1098, 656490), (1108, 650565), (1185, 608292), (1220, 590841), (1385, 520452), (1422, 506910), (1580, 456219), (1647, 437660), (1662, 433710), (1830, 393894), (2133, 337940), (2196, 328245), (2370, 304146), (2493, 289140), (2745, 262596), (2770, 260226), (2844, 253455), (3294, 218830), (3324, 216855), (3555, 202764), (3660, 196947), (4155, 173484), (4266, 168970), (4740, 152073), (4819, 149580), (4986, 144570), (5490, 131298), (5540, 130113), (6588, 109415), (7110, 101382), (7479, 96380), (8235, 87532), (8310, 86742), (8532, 84485), (9638, 74790), (9972, 72285), (10665, 67588), (10980, 65649), (12465, 57828), (14220, 50691), (14457, 49860), (14958, 48190), (16470, 43766), (16620, 43371), (16897, 42660), (19276, 37395), (21330, 33794), (21883, 32940), (24095, 29916), (24930, 28914)]