279981840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:617

約数の個数: 160

約数和(自身を含む): 926833536

約数和(自身を除く): 646851696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 163, 170, 204, 240, 255, 272, 326, 340, 408, 421, 489, 510, 652, 680, 815, 816, 842, 978, 1020, 1263, 1304, 1360, 1630, 1684, 1956, 2040, 2105, 2445, 2526, 2608, 2771, 3260, 3368, 3912, 4080, 4210, 4890, 5052, 5542, 6315, 6520, 6736, 7157, 7824, 8313, 8420, 9780, 10104, 11084, 12630, 13040, 13855, 14314, 16626, 16840, 19560, 20208, 21471, 22168, 25260, 27710, 28628, 33252, 33680, 35785, 39120, 41565, 42942, 44336, 50520, 55420, 57256, 66504, 68623, 71570, 83130, 85884, 101040, 107355, 110840, 114512, 133008, 137246, 143140, 166260, 171768, 205869, 214710, 221680, 274492, 286280, 332520, 343115, 343536, 411738, 429420, 548984, 572560, 665040, 686230, 823476, 858840, 1029345, 1097968, 1166591, 1372460, 1646952, 1717680, 2058690, 2333182, 2744920, 3293904, 3499773, 4117380, 4666364, 5489840, 5832955, 6999546, 8234760, 9332728, 11665910, 13999092, 16469520, 17498865, 18665456, 23331820, 27998184, 34997730, 46663640, 55996368, 69995460, 93327280, 139990920, 279981840]

約数ペア:

[(1, 279981840), (2, 139990920), (3, 93327280), (4, 69995460), (5, 55996368), (6, 46663640), (8, 34997730), (10, 27998184), (12, 23331820), (15, 18665456), (16, 17498865), (17, 16469520), (20, 13999092), (24, 11665910), (30, 9332728), (34, 8234760), (40, 6999546), (48, 5832955), (51, 5489840), (60, 4666364), (68, 4117380), (80, 3499773), (85, 3293904), (102, 2744920), (120, 2333182), (136, 2058690), (163, 1717680), (170, 1646952), (204, 1372460), (240, 1166591), (255, 1097968), (272, 1029345), (326, 858840), (340, 823476), (408, 686230), (421, 665040), (489, 572560), (510, 548984), (652, 429420), (680, 411738), (815, 343536), (816, 343115), (842, 332520), (978, 286280), (1020, 274492), (1263, 221680), (1304, 214710), (1360, 205869), (1630, 171768), (1684, 166260), (1956, 143140), (2040, 137246), (2105, 133008), (2445, 114512), (2526, 110840), (2608, 107355), (2771, 101040), (3260, 85884), (3368, 83130), (3912, 71570), (4080, 68623), (4210, 66504), (4890, 57256), (5052, 55420), (5542, 50520), (6315, 44336), (6520, 42942), (6736, 41565), (7157, 39120), (7824, 35785), (8313, 33680), (8420, 33252), (9780, 28628), (10104, 27710), (11084, 25260), (12630, 22168), (13040, 21471), (13855, 20208), (14314, 19560), (16626, 16840)]