204680280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1753}}^1$

素因数の和:1913

約数の個数: 128

約数和(自身を含む): 707212800

約数和(自身を除く): 502532520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 139, 140, 168, 210, 278, 280, 417, 420, 556, 695, 834, 840, 973, 1112, 1390, 1668, 1753, 1946, 2085, 2780, 2919, 3336, 3506, 3892, 4170, 4865, 5259, 5560, 5838, 7012, 7784, 8340, 8765, 9730, 10518, 11676, 12271, 14024, 14595, 16680, 17530, 19460, 21036, 23352, 24542, 26295, 29190, 35060, 36813, 38920, 42072, 49084, 52590, 58380, 61355, 70120, 73626, 98168, 105180, 116760, 122710, 147252, 184065, 210360, 243667, 245420, 294504, 368130, 487334, 490840, 731001, 736260, 974668, 1218335, 1462002, 1472520, 1705669, 1949336, 2436670, 2924004, 3411338, 3655005, 4873340, 5117007, 5848008, 6822676, 7310010, 8528345, 9746680, 10234014, 13645352, 14620020, 17056690, 20468028, 25585035, 29240040, 34113380, 40936056, 51170070, 68226760, 102340140, 204680280]

約数ペア:

[(1, 204680280), (2, 102340140), (3, 68226760), (4, 51170070), (5, 40936056), (6, 34113380), (7, 29240040), (8, 25585035), (10, 20468028), (12, 17056690), (14, 14620020), (15, 13645352), (20, 10234014), (21, 9746680), (24, 8528345), (28, 7310010), (30, 6822676), (35, 5848008), (40, 5117007), (42, 4873340), (56, 3655005), (60, 3411338), (70, 2924004), (84, 2436670), (105, 1949336), (120, 1705669), (139, 1472520), (140, 1462002), (168, 1218335), (210, 974668), (278, 736260), (280, 731001), (417, 490840), (420, 487334), (556, 368130), (695, 294504), (834, 245420), (840, 243667), (973, 210360), (1112, 184065), (1390, 147252), (1668, 122710), (1753, 116760), (1946, 105180), (2085, 98168), (2780, 73626), (2919, 70120), (3336, 61355), (3506, 58380), (3892, 52590), (4170, 49084), (4865, 42072), (5259, 38920), (5560, 36813), (5838, 35060), (7012, 29190), (7784, 26295), (8340, 24542), (8765, 23352), (9730, 21036), (10518, 19460), (11676, 17530), (12271, 16680), (14024, 14595)]