155985540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 192

約数和(自身を含む): 494968320

約数和(自身を除く): 338982780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 23, 30, 34, 46, 51, 60, 61, 68, 69, 85, 92, 102, 109, 115, 122, 138, 170, 183, 204, 218, 230, 244, 255, 276, 305, 327, 340, 345, 366, 391, 436, 460, 510, 545, 610, 654, 690, 732, 782, 915, 1020, 1037, 1090, 1173, 1220, 1308, 1380, 1403, 1564, 1635, 1830, 1853, 1955, 2074, 2180, 2346, 2507, 2806, 3111, 3270, 3660, 3706, 3910, 4148, 4209, 4692, 5014, 5185, 5559, 5612, 5865, 6222, 6540, 6649, 7015, 7412, 7521, 7820, 8418, 9265, 10028, 10370, 11118, 11730, 12444, 12535, 13298, 14030, 15042, 15555, 16836, 18530, 19947, 20740, 21045, 22236, 23460, 23851, 25070, 26596, 27795, 28060, 30084, 31110, 33245, 37060, 37605, 39894, 42090, 42619, 47702, 50140, 55590, 62220, 66490, 71553, 75210, 79788, 84180, 85238, 95404, 99735, 111180, 113033, 119255, 127857, 132980, 143106, 150420, 152927, 170476, 199470, 213095, 226066, 238510, 255714, 286212, 305854, 339099, 357765, 398940, 426190, 452132, 458781, 477020, 511428, 565165, 611708, 639285, 678198, 715530, 764635, 852380, 917562, 1130330, 1278570, 1356396, 1431060, 1529270, 1695495, 1835124, 2260660, 2293905, 2557140, 2599759, 3058540, 3390990, 4587810, 5199518, 6781980, 7799277, 9175620, 10399036, 12998795, 15598554, 25997590, 31197108, 38996385, 51995180, 77992770, 155985540]

約数ペア:

[(1, 155985540), (2, 77992770), (3, 51995180), (4, 38996385), (5, 31197108), (6, 25997590), (10, 15598554), (12, 12998795), (15, 10399036), (17, 9175620), (20, 7799277), (23, 6781980), (30, 5199518), (34, 4587810), (46, 3390990), (51, 3058540), (60, 2599759), (61, 2557140), (68, 2293905), (69, 2260660), (85, 1835124), (92, 1695495), (102, 1529270), (109, 1431060), (115, 1356396), (122, 1278570), (138, 1130330), (170, 917562), (183, 852380), (204, 764635), (218, 715530), (230, 678198), (244, 639285), (255, 611708), (276, 565165), (305, 511428), (327, 477020), (340, 458781), (345, 452132), (366, 426190), (391, 398940), (436, 357765), (460, 339099), (510, 305854), (545, 286212), (610, 255714), (654, 238510), (690, 226066), (732, 213095), (782, 199470), (915, 170476), (1020, 152927), (1037, 150420), (1090, 143106), (1173, 132980), (1220, 127857), (1308, 119255), (1380, 113033), (1403, 111180), (1564, 99735), (1635, 95404), (1830, 85238), (1853, 84180), (1955, 79788), (2074, 75210), (2180, 71553), (2346, 66490), (2507, 62220), (2806, 55590), (3111, 50140), (3270, 47702), (3660, 42619), (3706, 42090), (3910, 39894), (4148, 37605), (4209, 37060), (4692, 33245), (5014, 31110), (5185, 30084), (5559, 28060), (5612, 27795), (5865, 26596), (6222, 25070), (6540, 23851), (6649, 23460), (7015, 22236), (7412, 21045), (7521, 20740), (7820, 19947), (8418, 18530), (9265, 16836), (10028, 15555), (10370, 15042), (11118, 14030), (11730, 13298), (12444, 12535)]