157218878870

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1\times {\mathrm{6329}}^1$

素因数の和:6801

約数の個数: 64

約数和(自身を含む): 290539707840

約数和(自身を除く): 133320828970

約数列:

[1, 2, 5, 10, 61, 122, 193, 211, 305, 386, 422, 610, 965, 1055, 1930, 2110, 6329, 11773, 12658, 12871, 23546, 25742, 31645, 40723, 58865, 63290, 64355, 81446, 117730, 128710, 203615, 386069, 407230, 772138, 1221497, 1335419, 1930345, 2442994, 2484103, 2670838, 3860690, 4968206, 6107485, 6677095, 12214970, 12420515, 13354190, 24841030, 74511317, 81460559, 149022634, 162921118, 257735867, 372556585, 407302795, 515471734, 745113170, 814605590, 1288679335, 2577358670, 15721887887, 31443775774, 78609439435, 157218878870]

約数ペア:

[(1, 157218878870), (2, 78609439435), (5, 31443775774), (10, 15721887887), (61, 2577358670), (122, 1288679335), (193, 814605590), (211, 745113170), (305, 515471734), (386, 407302795), (422, 372556585), (610, 257735867), (965, 162921118), (1055, 149022634), (1930, 81460559), (2110, 74511317), (6329, 24841030), (11773, 13354190), (12658, 12420515), (12871, 12214970), (23546, 6677095), (25742, 6107485), (31645, 4968206), (40723, 3860690), (58865, 2670838), (63290, 2484103), (64355, 2442994), (81446, 1930345), (117730, 1335419), (128710, 1221497), (203615, 772138), (386069, 407230)]