64451940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{153457}}^1$

素因数の和:153476

約数の個数: 48

約数和(自身を含む): 206247552

約数和(自身を除く): 141795612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 153457, 306914, 460371, 613828, 767285, 920742, 1074199, 1534570, 1841484, 2148398, 2301855, 3069140, 3222597, 4296796, 4603710, 5370995, 6445194, 9207420, 10741990, 12890388, 16112985, 21483980, 32225970, 64451940]

約数ペア:

[(1, 64451940), (2, 32225970), (3, 21483980), (4, 16112985), (5, 12890388), (6, 10741990), (7, 9207420), (10, 6445194), (12, 5370995), (14, 4603710), (15, 4296796), (20, 3222597), (21, 3069140), (28, 2301855), (30, 2148398), (35, 1841484), (42, 1534570), (60, 1074199), (70, 920742), (84, 767285), (105, 613828), (140, 460371), (210, 306914), (420, 153457)]