1290583320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26687}}^1$

素因数の和:26745

約数の個数: 128

約数和(自身を含む): 4304240640

約数和(自身を除く): 3013657320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4836, 6045, 8060, 9672, 12090, 16120, 24180, 26687, 48360, 53374, 80061, 106748, 133435, 160122, 213496, 266870, 320244, 346931, 400305, 533740, 640488, 693862, 800610, 827297, 1040793, 1067480, 1387724, 1601220, 1654594, 1734655, 2081586, 2481891, 2775448, 3202440, 3309188, 3469310, 4136485, 4163172, 4963782, 5203965, 6618376, 6938620, 8272970, 8326344, 9927564, 10407930, 10754861, 12409455, 13877240, 16545940, 19855128, 20815860, 21509722, 24818910, 32264583, 33091880, 41631720, 43019444, 49637820, 53774305, 64529166, 86038888, 99275640, 107548610, 129058332, 161322915, 215097220, 258116664, 322645830, 430194440, 645291660, 1290583320]

約数ペア:

[(1, 1290583320), (2, 645291660), (3, 430194440), (4, 322645830), (5, 258116664), (6, 215097220), (8, 161322915), (10, 129058332), (12, 107548610), (13, 99275640), (15, 86038888), (20, 64529166), (24, 53774305), (26, 49637820), (30, 43019444), (31, 41631720), (39, 33091880), (40, 32264583), (52, 24818910), (60, 21509722), (62, 20815860), (65, 19855128), (78, 16545940), (93, 13877240), (104, 12409455), (120, 10754861), (124, 10407930), (130, 9927564), (155, 8326344), (156, 8272970), (186, 6938620), (195, 6618376), (248, 5203965), (260, 4963782), (310, 4163172), (312, 4136485), (372, 3469310), (390, 3309188), (403, 3202440), (465, 2775448), (520, 2481891), (620, 2081586), (744, 1734655), (780, 1654594), (806, 1601220), (930, 1387724), (1209, 1067480), (1240, 1040793), (1560, 827297), (1612, 800610), (1860, 693862), (2015, 640488), (2418, 533740), (3224, 400305), (3720, 346931), (4030, 320244), (4836, 266870), (6045, 213496), (8060, 160122), (9672, 133435), (12090, 106748), (16120, 80061), (24180, 53374), (26687, 48360)]