64960140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{154667}}^1$

素因数の和:154686

約数の個数: 48

約数和(自身を含む): 207873792

約数和(自身を除く): 142913652

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, 154667, 309334, 464001, 618668, 773335, 928002, 1082669, 1546670, 1856004, 2165338, 2320005, 3093340, 3248007, 4330676, 4640010, 5413345, 6496014, 9280020, 10826690, 12992028, 16240035, 21653380, 32480070, 64960140]

約数ペア:

[(1, 64960140), (2, 32480070), (3, 21653380), (4, 16240035), (5, 12992028), (6, 10826690), (7, 9280020), (10, 6496014), (12, 5413345), (14, 4640010), (15, 4330676), (20, 3248007), (21, 3093340), (28, 2320005), (30, 2165338), (35, 1856004), (42, 1546670), (60, 1082669), (70, 928002), (84, 773335), (105, 618668), (140, 464001), (210, 309334), (420, 154667)]