268536880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 160

約数和(自身を含む): 699955200

約数和(自身を除く): 431418320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 41, 62, 76, 80, 82, 95, 124, 139, 152, 155, 164, 190, 205, 248, 278, 304, 310, 328, 380, 410, 496, 556, 589, 620, 656, 695, 760, 779, 820, 1112, 1178, 1240, 1271, 1390, 1520, 1558, 1640, 2224, 2356, 2480, 2542, 2641, 2780, 2945, 3116, 3280, 3895, 4309, 4712, 5084, 5282, 5560, 5699, 5890, 6232, 6355, 7790, 8618, 9424, 10168, 10564, 11120, 11398, 11780, 12464, 12710, 13205, 15580, 17236, 20336, 21128, 21545, 22796, 23560, 24149, 25420, 26410, 28495, 31160, 34472, 42256, 43090, 45592, 47120, 48298, 50840, 52820, 56990, 62320, 68944, 81871, 86180, 91184, 96596, 101680, 105640, 108281, 113980, 120745, 163742, 172360, 176669, 193192, 211280, 216562, 227960, 241490, 327484, 344720, 353338, 386384, 409355, 433124, 455920, 482980, 541405, 654968, 706676, 818710, 866248, 883345, 965960, 1082810, 1309936, 1413352, 1637420, 1732496, 1766690, 1931920, 2165620, 2826704, 3274840, 3356711, 3533380, 4331240, 6549680, 6713422, 7066760, 8662480, 13426844, 14133520, 16783555, 26853688, 33567110, 53707376, 67134220, 134268440, 268536880]

約数ペア:

[(1, 268536880), (2, 134268440), (4, 67134220), (5, 53707376), (8, 33567110), (10, 26853688), (16, 16783555), (19, 14133520), (20, 13426844), (31, 8662480), (38, 7066760), (40, 6713422), (41, 6549680), (62, 4331240), (76, 3533380), (80, 3356711), (82, 3274840), (95, 2826704), (124, 2165620), (139, 1931920), (152, 1766690), (155, 1732496), (164, 1637420), (190, 1413352), (205, 1309936), (248, 1082810), (278, 965960), (304, 883345), (310, 866248), (328, 818710), (380, 706676), (410, 654968), (496, 541405), (556, 482980), (589, 455920), (620, 433124), (656, 409355), (695, 386384), (760, 353338), (779, 344720), (820, 327484), (1112, 241490), (1178, 227960), (1240, 216562), (1271, 211280), (1390, 193192), (1520, 176669), (1558, 172360), (1640, 163742), (2224, 120745), (2356, 113980), (2480, 108281), (2542, 105640), (2641, 101680), (2780, 96596), (2945, 91184), (3116, 86180), (3280, 81871), (3895, 68944), (4309, 62320), (4712, 56990), (5084, 52820), (5282, 50840), (5560, 48298), (5699, 47120), (5890, 45592), (6232, 43090), (6355, 42256), (7790, 34472), (8618, 31160), (9424, 28495), (10168, 26410), (10564, 25420), (11120, 24149), (11398, 23560), (11780, 22796), (12464, 21545), (12710, 21128), (13205, 20336), (15580, 17236)]