245718180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{16447}}^1$

素因数の和:16545

約数の個数: 72

約数和(自身を含む): 754371072

約数和(自身を除く): 508652892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 7470, 14940, 16447, 32894, 49341, 65788, 82235, 98682, 148023, 164470, 197364, 246705, 296046, 328940, 493410, 592092, 740115, 986820, 1365101, 1480230, 2730202, 2960460, 4095303, 5460404, 6825505, 8190606, 12285909, 13651010, 16381212, 20476515, 24571818, 27302020, 40953030, 49143636, 61429545, 81906060, 122859090, 245718180]

約数ペア:

[(1, 245718180), (2, 122859090), (3, 81906060), (4, 61429545), (5, 49143636), (6, 40953030), (9, 27302020), (10, 24571818), (12, 20476515), (15, 16381212), (18, 13651010), (20, 12285909), (30, 8190606), (36, 6825505), (45, 5460404), (60, 4095303), (83, 2960460), (90, 2730202), (166, 1480230), (180, 1365101), (249, 986820), (332, 740115), (415, 592092), (498, 493410), (747, 328940), (830, 296046), (996, 246705), (1245, 197364), (1494, 164470), (1660, 148023), (2490, 98682), (2988, 82235), (3735, 65788), (4980, 49341), (7470, 32894), (14940, 16447)]