1284294780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{11131}}^1$

素因数の和:11787

約数の個数: 72

約数和(自身を含む): 3902122224

約数和(自身を除く): 2617827444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 641, 1282, 1923, 2564, 3205, 3846, 5769, 6410, 7692, 9615, 11131, 11538, 12820, 19230, 22262, 23076, 28845, 33393, 38460, 44524, 55655, 57690, 66786, 100179, 111310, 115380, 133572, 166965, 200358, 222620, 333930, 400716, 500895, 667860, 1001790, 2003580, 7134971, 14269942, 21404913, 28539884, 35674855, 42809826, 64214739, 71349710, 85619652, 107024565, 128429478, 142699420, 214049130, 256858956, 321073695, 428098260, 642147390, 1284294780]

約数ペア:

[(1, 1284294780), (2, 642147390), (3, 428098260), (4, 321073695), (5, 256858956), (6, 214049130), (9, 142699420), (10, 128429478), (12, 107024565), (15, 85619652), (18, 71349710), (20, 64214739), (30, 42809826), (36, 35674855), (45, 28539884), (60, 21404913), (90, 14269942), (180, 7134971), (641, 2003580), (1282, 1001790), (1923, 667860), (2564, 500895), (3205, 400716), (3846, 333930), (5769, 222620), (6410, 200358), (7692, 166965), (9615, 133572), (11131, 115380), (11538, 111310), (12820, 100179), (19230, 66786), (22262, 57690), (23076, 55655), (28845, 44524), (33393, 38460)]