208021860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:622

約数の個数: 144

約数和(自身を含む): 673925616

約数和(自身を除く): 465903756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 157, 170, 180, 204, 255, 306, 314, 340, 433, 471, 510, 612, 628, 765, 785, 866, 942, 1020, 1299, 1413, 1530, 1570, 1732, 1884, 2165, 2355, 2598, 2669, 2826, 3060, 3140, 3897, 4330, 4710, 5196, 5338, 5652, 6495, 7065, 7361, 7794, 8007, 8660, 9420, 10676, 12990, 13345, 14130, 14722, 15588, 16014, 19485, 22083, 24021, 25980, 26690, 28260, 29444, 32028, 36805, 38970, 40035, 44166, 48042, 53380, 66249, 67981, 73610, 77940, 80070, 88332, 96084, 110415, 120105, 132498, 135962, 147220, 160140, 203943, 220830, 240210, 264996, 271924, 331245, 339905, 407886, 441660, 480420, 611829, 662490, 679810, 815772, 1019715, 1155677, 1223658, 1324980, 1359620, 2039430, 2311354, 2447316, 3059145, 3467031, 4078860, 4622708, 5778385, 6118290, 6934062, 10401093, 11556770, 12236580, 13868124, 17335155, 20802186, 23113540, 34670310, 41604372, 52005465, 69340620, 104010930, 208021860]

約数ペア:

[(1, 208021860), (2, 104010930), (3, 69340620), (4, 52005465), (5, 41604372), (6, 34670310), (9, 23113540), (10, 20802186), (12, 17335155), (15, 13868124), (17, 12236580), (18, 11556770), (20, 10401093), (30, 6934062), (34, 6118290), (36, 5778385), (45, 4622708), (51, 4078860), (60, 3467031), (68, 3059145), (85, 2447316), (90, 2311354), (102, 2039430), (153, 1359620), (157, 1324980), (170, 1223658), (180, 1155677), (204, 1019715), (255, 815772), (306, 679810), (314, 662490), (340, 611829), (433, 480420), (471, 441660), (510, 407886), (612, 339905), (628, 331245), (765, 271924), (785, 264996), (866, 240210), (942, 220830), (1020, 203943), (1299, 160140), (1413, 147220), (1530, 135962), (1570, 132498), (1732, 120105), (1884, 110415), (2165, 96084), (2355, 88332), (2598, 80070), (2669, 77940), (2826, 73610), (3060, 67981), (3140, 66249), (3897, 53380), (4330, 48042), (4710, 44166), (5196, 40035), (5338, 38970), (5652, 36805), (6495, 32028), (7065, 29444), (7361, 28260), (7794, 26690), (8007, 25980), (8660, 24021), (9420, 22083), (10676, 19485), (12990, 16014), (13345, 15588), (14130, 14722)]