1290851760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{488959}}^1$

素因数の和:488986

約数の個数: 80

約数和(自身を含む): 4365434880

約数和(自身を除く): 3074583120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 488959, 977918, 1466877, 1955836, 2444795, 2933754, 3911672, 4889590, 5378549, 5867508, 7334385, 7823344, 9779180, 10757098, 11735016, 14668770, 16135647, 19558360, 21514196, 23470032, 26892745, 29337540, 32271294, 39116720, 43028392, 53785490, 58675080, 64542588, 80678235, 86056784, 107570980, 117350160, 129085176, 161356470, 215141960, 258170352, 322712940, 430283920, 645425880, 1290851760]

約数ペア:

[(1, 1290851760), (2, 645425880), (3, 430283920), (4, 322712940), (5, 258170352), (6, 215141960), (8, 161356470), (10, 129085176), (11, 117350160), (12, 107570980), (15, 86056784), (16, 80678235), (20, 64542588), (22, 58675080), (24, 53785490), (30, 43028392), (33, 39116720), (40, 32271294), (44, 29337540), (48, 26892745), (55, 23470032), (60, 21514196), (66, 19558360), (80, 16135647), (88, 14668770), (110, 11735016), (120, 10757098), (132, 9779180), (165, 7823344), (176, 7334385), (220, 5867508), (240, 5378549), (264, 4889590), (330, 3911672), (440, 2933754), (528, 2444795), (660, 1955836), (880, 1466877), (1320, 977918), (2640, 488959)]