78120072

素因数分解:

$2^3\times 3^3\times {\mathrm{397}}^1\times {\mathrm{911}}^1$

素因数の和:1323

約数の個数: 64

約数和(自身を含む): 217785600

約数和(自身を除く): 139665528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 397, 794, 911, 1191, 1588, 1822, 2382, 2733, 3176, 3573, 3644, 4764, 5466, 7146, 7288, 8199, 9528, 10719, 10932, 14292, 16398, 21438, 21864, 24597, 28584, 32796, 42876, 49194, 65592, 85752, 98388, 196776, 361667, 723334, 1085001, 1446668, 2170002, 2893336, 3255003, 4340004, 6510006, 8680008, 9765009, 13020012, 19530018, 26040024, 39060036, 78120072]

約数ペア:

[(1, 78120072), (2, 39060036), (3, 26040024), (4, 19530018), (6, 13020012), (8, 9765009), (9, 8680008), (12, 6510006), (18, 4340004), (24, 3255003), (27, 2893336), (36, 2170002), (54, 1446668), (72, 1085001), (108, 723334), (216, 361667), (397, 196776), (794, 98388), (911, 85752), (1191, 65592), (1588, 49194), (1822, 42876), (2382, 32796), (2733, 28584), (3176, 24597), (3573, 21864), (3644, 21438), (4764, 16398), (5466, 14292), (7146, 10932), (7288, 10719), (8199, 9528)]