208295460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{6689}}^1$

素因数の和:6877

約数の個数: 72

約数和(自身を含む): 635576760

約数和(自身を除く): 427281300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1038, 1557, 1730, 2076, 2595, 3114, 3460, 5190, 6228, 6689, 7785, 10380, 13378, 15570, 20067, 26756, 31140, 33445, 40134, 60201, 66890, 80268, 100335, 120402, 133780, 200670, 240804, 301005, 401340, 602010, 1157197, 1204020, 2314394, 3471591, 4628788, 5785985, 6943182, 10414773, 11571970, 13886364, 17357955, 20829546, 23143940, 34715910, 41659092, 52073865, 69431820, 104147730, 208295460]

約数ペア:

[(1, 208295460), (2, 104147730), (3, 69431820), (4, 52073865), (5, 41659092), (6, 34715910), (9, 23143940), (10, 20829546), (12, 17357955), (15, 13886364), (18, 11571970), (20, 10414773), (30, 6943182), (36, 5785985), (45, 4628788), (60, 3471591), (90, 2314394), (173, 1204020), (180, 1157197), (346, 602010), (519, 401340), (692, 301005), (865, 240804), (1038, 200670), (1557, 133780), (1730, 120402), (2076, 100335), (2595, 80268), (3114, 66890), (3460, 60201), (5190, 40134), (6228, 33445), (6689, 31140), (7785, 26756), (10380, 20067), (13378, 15570)]