64481970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1543}}^1$

素因数の和:1759

約数の個数: 64

約数和(自身を含む): 177868800

約数和(自身を除く): 113386830

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 199, 210, 398, 597, 995, 1194, 1393, 1543, 1990, 2786, 2985, 3086, 4179, 4629, 5970, 6965, 7715, 8358, 9258, 10801, 13930, 15430, 20895, 21602, 23145, 32403, 41790, 46290, 54005, 64806, 108010, 162015, 307057, 324030, 614114, 921171, 1535285, 1842342, 2149399, 3070570, 4298798, 4605855, 6448197, 9211710, 10746995, 12896394, 21493990, 32240985, 64481970]

約数ペア:

[(1, 64481970), (2, 32240985), (3, 21493990), (5, 12896394), (6, 10746995), (7, 9211710), (10, 6448197), (14, 4605855), (15, 4298798), (21, 3070570), (30, 2149399), (35, 1842342), (42, 1535285), (70, 921171), (105, 614114), (199, 324030), (210, 307057), (398, 162015), (597, 108010), (995, 64806), (1194, 54005), (1393, 46290), (1543, 41790), (1990, 32403), (2786, 23145), (2985, 21602), (3086, 20895), (4179, 15430), (4629, 13930), (5970, 10801), (6965, 9258), (7715, 8358)]