81944460

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1297}}^1$

素因数の和:1334

約数の個数: 144

約数和(自身を含む): 277813536

約数和(自身を除く): 195869076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 702, 780, 810, 972, 1053, 1170, 1215, 1297, 1404, 1620, 1755, 2106, 2340, 2430, 2594, 3159, 3510, 3891, 4212, 4860, 5188, 5265, 6318, 6485, 7020, 7782, 10530, 11673, 12636, 12970, 15564, 15795, 16861, 19455, 21060, 23346, 25940, 31590, 33722, 35019, 38910, 46692, 50583, 58365, 63180, 67444, 70038, 77820, 84305, 101166, 105057, 116730, 140076, 151749, 168610, 175095, 202332, 210114, 233460, 252915, 303498, 315171, 337220, 350190, 420228, 455247, 505830, 525285, 606996, 630342, 700380, 758745, 910494, 1011660, 1050570, 1260684, 1365741, 1517490, 1575855, 1820988, 2101140, 2276235, 2731482, 3034980, 3151710, 4097223, 4552470, 5462964, 6303420, 6828705, 8194446, 9104940, 13657410, 16388892, 20486115, 27314820, 40972230, 81944460]

約数ペア:

[(1, 81944460), (2, 40972230), (3, 27314820), (4, 20486115), (5, 16388892), (6, 13657410), (9, 9104940), (10, 8194446), (12, 6828705), (13, 6303420), (15, 5462964), (18, 4552470), (20, 4097223), (26, 3151710), (27, 3034980), (30, 2731482), (36, 2276235), (39, 2101140), (45, 1820988), (52, 1575855), (54, 1517490), (60, 1365741), (65, 1260684), (78, 1050570), (81, 1011660), (90, 910494), (108, 758745), (117, 700380), (130, 630342), (135, 606996), (156, 525285), (162, 505830), (180, 455247), (195, 420228), (234, 350190), (243, 337220), (260, 315171), (270, 303498), (324, 252915), (351, 233460), (390, 210114), (405, 202332), (468, 175095), (486, 168610), (540, 151749), (585, 140076), (702, 116730), (780, 105057), (810, 101166), (972, 84305), (1053, 77820), (1170, 70038), (1215, 67444), (1297, 63180), (1404, 58365), (1620, 50583), (1755, 46692), (2106, 38910), (2340, 35019), (2430, 33722), (2594, 31590), (3159, 25940), (3510, 23346), (3891, 21060), (4212, 19455), (4860, 16861), (5188, 15795), (5265, 15564), (6318, 12970), (6485, 12636), (7020, 11673), (7782, 10530)]