71519680

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13147}}^1$

素因数の和:13181

約数の個数: 56

約数和(自身を含む): 180337968

約数和(自身を除く): 108818288

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 13147, 26294, 52588, 65735, 105176, 131470, 210352, 223499, 262940, 420704, 446998, 525880, 841408, 893996, 1051760, 1117495, 1787992, 2103520, 2234990, 3575984, 4207040, 4469980, 7151968, 8939960, 14303936, 17879920, 35759840, 71519680]

約数ペア:

[(1, 71519680), (2, 35759840), (4, 17879920), (5, 14303936), (8, 8939960), (10, 7151968), (16, 4469980), (17, 4207040), (20, 3575984), (32, 2234990), (34, 2103520), (40, 1787992), (64, 1117495), (68, 1051760), (80, 893996), (85, 841408), (136, 525880), (160, 446998), (170, 420704), (272, 262940), (320, 223499), (340, 210352), (544, 131470), (680, 105176), (1088, 65735), (1360, 52588), (2720, 26294), (5440, 13147)]