72431928

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{4723}}^1$

素因数の和:4809

約数の個数: 64

約数和(自身を含む): 204076800

約数和(自身を除く): 131644872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 108, 142, 213, 216, 284, 426, 568, 639, 852, 1278, 1704, 1917, 2556, 3834, 4723, 5112, 7668, 9446, 14169, 15336, 18892, 28338, 37784, 42507, 56676, 85014, 113352, 127521, 170028, 255042, 335333, 340056, 510084, 670666, 1005999, 1020168, 1341332, 2011998, 2682664, 3017997, 4023996, 6035994, 8047992, 9053991, 12071988, 18107982, 24143976, 36215964, 72431928]

約数ペア:

[(1, 72431928), (2, 36215964), (3, 24143976), (4, 18107982), (6, 12071988), (8, 9053991), (9, 8047992), (12, 6035994), (18, 4023996), (24, 3017997), (27, 2682664), (36, 2011998), (54, 1341332), (71, 1020168), (72, 1005999), (108, 670666), (142, 510084), (213, 340056), (216, 335333), (284, 255042), (426, 170028), (568, 127521), (639, 113352), (852, 85014), (1278, 56676), (1704, 42507), (1917, 37784), (2556, 28338), (3834, 18892), (4723, 15336), (5112, 14169), (7668, 9446)]