123163980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{120749}}^1$

素因数の和:120778

約数の個数: 48

約数和(自身を含む): 365148000

約数和(自身を除く): 241984020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 120749, 241498, 362247, 482996, 603745, 724494, 1207490, 1448988, 1811235, 2052733, 2414980, 3622470, 4105466, 6158199, 7244940, 8210932, 10263665, 12316398, 20527330, 24632796, 30790995, 41054660, 61581990, 123163980]

約数ペア:

[(1, 123163980), (2, 61581990), (3, 41054660), (4, 30790995), (5, 24632796), (6, 20527330), (10, 12316398), (12, 10263665), (15, 8210932), (17, 7244940), (20, 6158199), (30, 4105466), (34, 3622470), (51, 2414980), (60, 2052733), (68, 1811235), (85, 1448988), (102, 1207490), (170, 724494), (204, 603745), (255, 482996), (340, 362247), (510, 241498), (1020, 120749)]