691509420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2999}}^1$

素因数の和:3085

約数の個数: 192

約数和(自身を含む): 2499840000

約数和(自身を除く): 1808330580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 61, 63, 70, 84, 90, 105, 108, 122, 126, 135, 140, 180, 183, 189, 210, 244, 252, 270, 305, 315, 366, 378, 420, 427, 540, 549, 610, 630, 732, 756, 854, 915, 945, 1098, 1220, 1260, 1281, 1647, 1708, 1830, 1890, 2135, 2196, 2562, 2745, 2999, 3294, 3660, 3780, 3843, 4270, 5124, 5490, 5998, 6405, 6588, 7686, 8235, 8540, 8997, 10980, 11529, 11996, 12810, 14995, 15372, 16470, 17994, 19215, 20993, 23058, 25620, 26991, 29990, 32940, 35988, 38430, 41986, 44985, 46116, 53982, 57645, 59980, 62979, 76860, 80973, 83972, 89970, 104965, 107964, 115290, 125958, 134955, 161946, 179940, 182939, 188937, 209930, 230580, 251916, 269910, 314895, 323892, 365878, 377874, 404865, 419860, 539820, 548817, 566811, 629790, 731756, 755748, 809730, 914695, 944685, 1097634, 1133622, 1259580, 1280573, 1619460, 1646451, 1829390, 1889370, 2195268, 2267244, 2561146, 2744085, 2834055, 3292902, 3658780, 3778740, 3841719, 4939353, 5122292, 5488170, 5668110, 6402865, 6585804, 7683438, 8232255, 9878706, 10976340, 11336220, 11525157, 12805730, 15366876, 16464510, 19208595, 19757412, 23050314, 24696765, 25611460, 32929020, 34575471, 38417190, 46100628, 49393530, 57625785, 69150942, 76834380, 98787060, 115251570, 138301884, 172877355, 230503140, 345754710, 691509420]

約数ペア:

[(1, 691509420), (2, 345754710), (3, 230503140), (4, 172877355), (5, 138301884), (6, 115251570), (7, 98787060), (9, 76834380), (10, 69150942), (12, 57625785), (14, 49393530), (15, 46100628), (18, 38417190), (20, 34575471), (21, 32929020), (27, 25611460), (28, 24696765), (30, 23050314), (35, 19757412), (36, 19208595), (42, 16464510), (45, 15366876), (54, 12805730), (60, 11525157), (61, 11336220), (63, 10976340), (70, 9878706), (84, 8232255), (90, 7683438), (105, 6585804), (108, 6402865), (122, 5668110), (126, 5488170), (135, 5122292), (140, 4939353), (180, 3841719), (183, 3778740), (189, 3658780), (210, 3292902), (244, 2834055), (252, 2744085), (270, 2561146), (305, 2267244), (315, 2195268), (366, 1889370), (378, 1829390), (420, 1646451), (427, 1619460), (540, 1280573), (549, 1259580), (610, 1133622), (630, 1097634), (732, 944685), (756, 914695), (854, 809730), (915, 755748), (945, 731756), (1098, 629790), (1220, 566811), (1260, 548817), (1281, 539820), (1647, 419860), (1708, 404865), (1830, 377874), (1890, 365878), (2135, 323892), (2196, 314895), (2562, 269910), (2745, 251916), (2999, 230580), (3294, 209930), (3660, 188937), (3780, 182939), (3843, 179940), (4270, 161946), (5124, 134955), (5490, 125958), (5998, 115290), (6405, 107964), (6588, 104965), (7686, 89970), (8235, 83972), (8540, 80973), (8997, 76860), (10980, 62979), (11529, 59980), (11996, 57645), (12810, 53982), (14995, 46116), (15372, 44985), (16470, 41986), (17994, 38430), (19215, 35988), (20993, 32940), (23058, 29990), (25620, 26991)]