1213499280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{722321}}^1$

素因数の和:722344

約数の個数: 80

約数和(自身を含む): 4299260544

約数和(自身を除く): 3085761264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 722321, 1444642, 2166963, 2889284, 3611605, 4333926, 5056247, 5778568, 7223210, 8667852, 10112494, 10834815, 11557136, 14446420, 15168741, 17335704, 20224988, 21669630, 25281235, 28892840, 30337482, 34671408, 40449976, 43339260, 50562470, 57785680, 60674964, 75843705, 80899952, 86678520, 101124940, 121349928, 151687410, 173357040, 202249880, 242699856, 303374820, 404499760, 606749640, 1213499280]

約数ペア:

[(1, 1213499280), (2, 606749640), (3, 404499760), (4, 303374820), (5, 242699856), (6, 202249880), (7, 173357040), (8, 151687410), (10, 121349928), (12, 101124940), (14, 86678520), (15, 80899952), (16, 75843705), (20, 60674964), (21, 57785680), (24, 50562470), (28, 43339260), (30, 40449976), (35, 34671408), (40, 30337482), (42, 28892840), (48, 25281235), (56, 21669630), (60, 20224988), (70, 17335704), (80, 15168741), (84, 14446420), (105, 11557136), (112, 10834815), (120, 10112494), (140, 8667852), (168, 7223210), (210, 5778568), (240, 5056247), (280, 4333926), (336, 3611605), (420, 2889284), (560, 2166963), (840, 1444642), (1680, 722321)]