71306820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1042

約数の個数: 144

約数和(自身を含む): 240694272

約数和(自身を除く): 169387452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 983, 1116, 1170, 1209, 1395, 1612, 1860, 1966, 2015, 2340, 2418, 2790, 2949, 3627, 3932, 4030, 4836, 4915, 5580, 5898, 6045, 7254, 8060, 8847, 9830, 11796, 12090, 12779, 14508, 14745, 17694, 18135, 19660, 24180, 25558, 29490, 30473, 35388, 36270, 38337, 44235, 51116, 58980, 60946, 63895, 72540, 76674, 88470, 91419, 115011, 121892, 127790, 152365, 153348, 176940, 182838, 191685, 230022, 255580, 274257, 304730, 365676, 383370, 396149, 457095, 460044, 548514, 575055, 609460, 766740, 792298, 914190, 1097028, 1150110, 1188447, 1371285, 1584596, 1828380, 1980745, 2300220, 2376894, 2742570, 3565341, 3961490, 4753788, 5485140, 5942235, 7130682, 7922980, 11884470, 14261364, 17826705, 23768940, 35653410, 71306820]

約数ペア:

[(1, 71306820), (2, 35653410), (3, 23768940), (4, 17826705), (5, 14261364), (6, 11884470), (9, 7922980), (10, 7130682), (12, 5942235), (13, 5485140), (15, 4753788), (18, 3961490), (20, 3565341), (26, 2742570), (30, 2376894), (31, 2300220), (36, 1980745), (39, 1828380), (45, 1584596), (52, 1371285), (60, 1188447), (62, 1150110), (65, 1097028), (78, 914190), (90, 792298), (93, 766740), (117, 609460), (124, 575055), (130, 548514), (155, 460044), (156, 457095), (180, 396149), (186, 383370), (195, 365676), (234, 304730), (260, 274257), (279, 255580), (310, 230022), (372, 191685), (390, 182838), (403, 176940), (465, 153348), (468, 152365), (558, 127790), (585, 121892), (620, 115011), (780, 91419), (806, 88470), (930, 76674), (983, 72540), (1116, 63895), (1170, 60946), (1209, 58980), (1395, 51116), (1612, 44235), (1860, 38337), (1966, 36270), (2015, 35388), (2340, 30473), (2418, 29490), (2790, 25558), (2949, 24180), (3627, 19660), (3932, 18135), (4030, 17694), (4836, 14745), (4915, 14508), (5580, 12779), (5898, 12090), (6045, 11796), (7254, 9830), (8060, 8847)]