81640572

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 213034752

約数和(自身を除く): 131394180

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 67, 73, 78, 107, 134, 146, 156, 201, 214, 219, 268, 292, 321, 402, 428, 438, 642, 804, 871, 876, 949, 1284, 1391, 1742, 1898, 2613, 2782, 2847, 3484, 3796, 4173, 4891, 5226, 5564, 5694, 7169, 7811, 8346, 9782, 10452, 11388, 14338, 14673, 15622, 16692, 19564, 21507, 23433, 28676, 29346, 31244, 43014, 46866, 58692, 63583, 86028, 93197, 93732, 101543, 127166, 186394, 190749, 203086, 254332, 279591, 304629, 372788, 381498, 406172, 523337, 559182, 609258, 762996, 1046674, 1118364, 1218516, 1570011, 2093348, 3140022, 6280044, 6803381, 13606762, 20410143, 27213524, 40820286, 81640572]

約数ペア:

[(1, 81640572), (2, 40820286), (3, 27213524), (4, 20410143), (6, 13606762), (12, 6803381), (13, 6280044), (26, 3140022), (39, 2093348), (52, 1570011), (67, 1218516), (73, 1118364), (78, 1046674), (107, 762996), (134, 609258), (146, 559182), (156, 523337), (201, 406172), (214, 381498), (219, 372788), (268, 304629), (292, 279591), (321, 254332), (402, 203086), (428, 190749), (438, 186394), (642, 127166), (804, 101543), (871, 93732), (876, 93197), (949, 86028), (1284, 63583), (1391, 58692), (1742, 46866), (1898, 43014), (2613, 31244), (2782, 29346), (2847, 28676), (3484, 23433), (3796, 21507), (4173, 19564), (4891, 16692), (5226, 15622), (5564, 14673), (5694, 14338), (7169, 11388), (7811, 10452), (8346, 9782)]