77901660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1597}}^1$

素因数の和:1883

約数の個数: 72

約数和(自身を含む): 237322176

約数和(自身を除く): 159420516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 542, 813, 1084, 1355, 1597, 1626, 2439, 2710, 3194, 3252, 4065, 4791, 4878, 5420, 6388, 7985, 8130, 9582, 9756, 12195, 14373, 15970, 16260, 19164, 23955, 24390, 28746, 31940, 47910, 48780, 57492, 71865, 95820, 143730, 287460, 432787, 865574, 1298361, 1731148, 2163935, 2596722, 3895083, 4327870, 5193444, 6491805, 7790166, 8655740, 12983610, 15580332, 19475415, 25967220, 38950830, 77901660]

約数ペア:

[(1, 77901660), (2, 38950830), (3, 25967220), (4, 19475415), (5, 15580332), (6, 12983610), (9, 8655740), (10, 7790166), (12, 6491805), (15, 5193444), (18, 4327870), (20, 3895083), (30, 2596722), (36, 2163935), (45, 1731148), (60, 1298361), (90, 865574), (180, 432787), (271, 287460), (542, 143730), (813, 95820), (1084, 71865), (1355, 57492), (1597, 48780), (1626, 47910), (2439, 31940), (2710, 28746), (3194, 24390), (3252, 23955), (4065, 19164), (4791, 16260), (4878, 15970), (5420, 14373), (6388, 12195), (7985, 9756), (8130, 9582)]