163172940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{55501}}^1$

素因数の和:55527

約数の個数: 72

約数和(自身を含む): 531487152

約数和(自身を除く): 368314212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 55501, 111002, 166503, 222004, 277505, 333006, 388507, 555010, 666012, 777014, 832515, 1110020, 1165521, 1554028, 1665030, 1942535, 2331042, 2719549, 3330060, 3885070, 4662084, 5439098, 5827605, 7770140, 8158647, 10878196, 11655210, 13597745, 16317294, 23310420, 27195490, 32634588, 40793235, 54390980, 81586470, 163172940]

約数ペア:

[(1, 163172940), (2, 81586470), (3, 54390980), (4, 40793235), (5, 32634588), (6, 27195490), (7, 23310420), (10, 16317294), (12, 13597745), (14, 11655210), (15, 10878196), (20, 8158647), (21, 7770140), (28, 5827605), (30, 5439098), (35, 4662084), (42, 3885070), (49, 3330060), (60, 2719549), (70, 2331042), (84, 1942535), (98, 1665030), (105, 1554028), (140, 1165521), (147, 1110020), (196, 832515), (210, 777014), (245, 666012), (294, 555010), (420, 388507), (490, 333006), (588, 277505), (735, 222004), (980, 166503), (1470, 111002), (2940, 55501)]