2171511720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{287237}}^1$

素因数の和:287264

約数の個数: 128

約数和(自身を含む): 8272454400

約数和(自身を除く): 6100942680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 287237, 574474, 861711, 1148948, 1436185, 1723422, 2010659, 2297896, 2585133, 2872370, 3446844, 4021318, 4308555, 5170266, 5744740, 6031977, 6893688, 7755399, 8042636, 8617110, 10053295, 10340532, 11489480, 12063954, 12925665, 15510798, 16085272, 17234220, 18095931, 20106590, 20681064, 24127908, 25851330, 30159885, 31021596, 34468440, 36191862, 38776995, 40213180, 48255816, 51702660, 54287793, 60319770, 62043192, 72383724, 77553990, 80426360, 90479655, 103405320, 108575586, 120639540, 144767448, 155107980, 180959310, 217151172, 241279080, 271438965, 310215960, 361918620, 434302344, 542877930, 723837240, 1085755860, 2171511720]

約数ペア:

[(1, 2171511720), (2, 1085755860), (3, 723837240), (4, 542877930), (5, 434302344), (6, 361918620), (7, 310215960), (8, 271438965), (9, 241279080), (10, 217151172), (12, 180959310), (14, 155107980), (15, 144767448), (18, 120639540), (20, 108575586), (21, 103405320), (24, 90479655), (27, 80426360), (28, 77553990), (30, 72383724), (35, 62043192), (36, 60319770), (40, 54287793), (42, 51702660), (45, 48255816), (54, 40213180), (56, 38776995), (60, 36191862), (63, 34468440), (70, 31021596), (72, 30159885), (84, 25851330), (90, 24127908), (105, 20681064), (108, 20106590), (120, 18095931), (126, 17234220), (135, 16085272), (140, 15510798), (168, 12925665), (180, 12063954), (189, 11489480), (210, 10340532), (216, 10053295), (252, 8617110), (270, 8042636), (280, 7755399), (315, 6893688), (360, 6031977), (378, 5744740), (420, 5170266), (504, 4308555), (540, 4021318), (630, 3446844), (756, 2872370), (840, 2585133), (945, 2297896), (1080, 2010659), (1260, 1723422), (1512, 1436185), (1890, 1148948), (2520, 861711), (3780, 574474), (7560, 287237)]