12780821970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{941}}^1\times {\mathrm{21559}}^1$

素因数の和:22520

約数の個数: 96

約数和(自身を含む): 38019421440

約数和(自身を除く): 25238599470

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 941, 1882, 2823, 4705, 5646, 6587, 8469, 9410, 13174, 14115, 16938, 19761, 21559, 28230, 32935, 39522, 42345, 43118, 59283, 64677, 65870, 84690, 98805, 107795, 118566, 129354, 150913, 194031, 197610, 215590, 296415, 301826, 323385, 388062, 452739, 592830, 646770, 754565, 905478, 970155, 1358217, 1509130, 1940310, 2263695, 2716434, 4527390, 6791085, 13582170, 20287019, 40574038, 60861057, 101435095, 121722114, 142009133, 182583171, 202870190, 284018266, 304305285, 365166342, 426027399, 608610570, 710045665, 852054798, 912915855, 1278082197, 1420091330, 1825831710, 2130136995, 2556164394, 4260273990, 6390410985, 12780821970]

約数ペア:

[(1, 12780821970), (2, 6390410985), (3, 4260273990), (5, 2556164394), (6, 2130136995), (7, 1825831710), (9, 1420091330), (10, 1278082197), (14, 912915855), (15, 852054798), (18, 710045665), (21, 608610570), (30, 426027399), (35, 365166342), (42, 304305285), (45, 284018266), (63, 202870190), (70, 182583171), (90, 142009133), (105, 121722114), (126, 101435095), (210, 60861057), (315, 40574038), (630, 20287019), (941, 13582170), (1882, 6791085), (2823, 4527390), (4705, 2716434), (5646, 2263695), (6587, 1940310), (8469, 1509130), (9410, 1358217), (13174, 970155), (14115, 905478), (16938, 754565), (19761, 646770), (21559, 592830), (28230, 452739), (32935, 388062), (39522, 323385), (42345, 301826), (43118, 296415), (59283, 215590), (64677, 197610), (65870, 194031), (84690, 150913), (98805, 129354), (107795, 118566)]