61781456340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{556289}}^1$

素因数の和:556921

約数の個数: 72

約数和(自身を含む): 187707822120

約数和(自身を除く): 125926365780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 617, 1234, 1851, 2468, 3085, 3702, 5553, 6170, 7404, 9255, 11106, 12340, 18510, 22212, 27765, 37020, 55530, 111060, 556289, 1112578, 1668867, 2225156, 2781445, 3337734, 5006601, 5562890, 6675468, 8344335, 10013202, 11125780, 16688670, 20026404, 25033005, 33377340, 50066010, 100132020, 343230313, 686460626, 1029690939, 1372921252, 1716151565, 2059381878, 3089072817, 3432303130, 4118763756, 5148454695, 6178145634, 6864606260, 10296909390, 12356291268, 15445364085, 20593818780, 30890728170, 61781456340]

約数ペア:

[(1, 61781456340), (2, 30890728170), (3, 20593818780), (4, 15445364085), (5, 12356291268), (6, 10296909390), (9, 6864606260), (10, 6178145634), (12, 5148454695), (15, 4118763756), (18, 3432303130), (20, 3089072817), (30, 2059381878), (36, 1716151565), (45, 1372921252), (60, 1029690939), (90, 686460626), (180, 343230313), (617, 100132020), (1234, 50066010), (1851, 33377340), (2468, 25033005), (3085, 20026404), (3702, 16688670), (5553, 11125780), (6170, 10013202), (7404, 8344335), (9255, 6675468), (11106, 5562890), (12340, 5006601), (18510, 3337734), (22212, 2781445), (27765, 2225156), (37020, 1668867), (55530, 1112578), (111060, 556289)]