645788520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8117}}^1$

素因数の和:8164

約数の個数: 192

約数和(自身を含む): 2393511120

約数和(自身を除く): 1747722600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 85, 90, 102, 104, 117, 120, 130, 136, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 663, 680, 765, 780, 884, 936, 1020, 1105, 1170, 1224, 1326, 1530, 1560, 1768, 1989, 2040, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 4680, 5304, 6120, 6630, 7956, 8117, 8840, 9945, 13260, 15912, 16234, 19890, 24351, 26520, 32468, 39780, 40585, 48702, 64936, 73053, 79560, 81170, 97404, 105521, 121755, 137989, 146106, 162340, 194808, 211042, 243510, 275978, 292212, 316563, 324680, 365265, 413967, 422084, 487020, 527605, 551956, 584424, 633126, 689945, 730530, 827934, 844168, 949689, 974040, 1055210, 1103912, 1241901, 1266252, 1379890, 1461060, 1582815, 1655868, 1793857, 1899378, 2069835, 2110420, 2483802, 2532504, 2759780, 2922120, 3165630, 3311736, 3587714, 3798756, 4139670, 4220840, 4748445, 4967604, 5381571, 5519560, 6209505, 6331260, 7175428, 7597512, 8279340, 8969285, 9496890, 9935208, 10763142, 12419010, 12662520, 14350856, 16144713, 16558680, 17938570, 18993780, 21526284, 24838020, 26907855, 32289426, 35877140, 37987560, 43052568, 49676040, 53815710, 64578852, 71754280, 80723565, 107631420, 129157704, 161447130, 215262840, 322894260, 645788520]

約数ペア:

[(1, 645788520), (2, 322894260), (3, 215262840), (4, 161447130), (5, 129157704), (6, 107631420), (8, 80723565), (9, 71754280), (10, 64578852), (12, 53815710), (13, 49676040), (15, 43052568), (17, 37987560), (18, 35877140), (20, 32289426), (24, 26907855), (26, 24838020), (30, 21526284), (34, 18993780), (36, 17938570), (39, 16558680), (40, 16144713), (45, 14350856), (51, 12662520), (52, 12419010), (60, 10763142), (65, 9935208), (68, 9496890), (72, 8969285), (78, 8279340), (85, 7597512), (90, 7175428), (102, 6331260), (104, 6209505), (117, 5519560), (120, 5381571), (130, 4967604), (136, 4748445), (153, 4220840), (156, 4139670), (170, 3798756), (180, 3587714), (195, 3311736), (204, 3165630), (221, 2922120), (234, 2759780), (255, 2532504), (260, 2483802), (306, 2110420), (312, 2069835), (340, 1899378), (360, 1793857), (390, 1655868), (408, 1582815), (442, 1461060), (468, 1379890), (510, 1266252), (520, 1241901), (585, 1103912), (612, 1055210), (663, 974040), (680, 949689), (765, 844168), (780, 827934), (884, 730530), (936, 689945), (1020, 633126), (1105, 584424), (1170, 551956), (1224, 527605), (1326, 487020), (1530, 422084), (1560, 413967), (1768, 365265), (1989, 324680), (2040, 316563), (2210, 292212), (2340, 275978), (2652, 243510), (3060, 211042), (3315, 194808), (3978, 162340), (4420, 146106), (4680, 137989), (5304, 121755), (6120, 105521), (6630, 97404), (7956, 81170), (8117, 79560), (8840, 73053), (9945, 64936), (13260, 48702), (15912, 40585), (16234, 39780), (19890, 32468), (24351, 26520)]