161058780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2687}}^1$

素因数の和:2745

約数の個数: 120

約数和(自身を含む): 519095808

約数和(自身を除く): 358037028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 270, 324, 333, 370, 405, 444, 540, 555, 666, 740, 810, 999, 1110, 1332, 1620, 1665, 1998, 2220, 2687, 2997, 3330, 3996, 4995, 5374, 5994, 6660, 8061, 9990, 10748, 11988, 13435, 14985, 16122, 19980, 24183, 26870, 29970, 32244, 40305, 48366, 53740, 59940, 72549, 80610, 96732, 99419, 120915, 145098, 161220, 198838, 217647, 241830, 290196, 298257, 362745, 397676, 435294, 483660, 497095, 596514, 725490, 870588, 894771, 994190, 1088235, 1193028, 1450980, 1491285, 1789542, 1988380, 2176470, 2684313, 2982570, 3579084, 4352940, 4473855, 5368626, 5965140, 8052939, 8947710, 10737252, 13421565, 16105878, 17895420, 26843130, 32211756, 40264695, 53686260, 80529390, 161058780]

約数ペア:

[(1, 161058780), (2, 80529390), (3, 53686260), (4, 40264695), (5, 32211756), (6, 26843130), (9, 17895420), (10, 16105878), (12, 13421565), (15, 10737252), (18, 8947710), (20, 8052939), (27, 5965140), (30, 5368626), (36, 4473855), (37, 4352940), (45, 3579084), (54, 2982570), (60, 2684313), (74, 2176470), (81, 1988380), (90, 1789542), (108, 1491285), (111, 1450980), (135, 1193028), (148, 1088235), (162, 994190), (180, 894771), (185, 870588), (222, 725490), (270, 596514), (324, 497095), (333, 483660), (370, 435294), (405, 397676), (444, 362745), (540, 298257), (555, 290196), (666, 241830), (740, 217647), (810, 198838), (999, 161220), (1110, 145098), (1332, 120915), (1620, 99419), (1665, 96732), (1998, 80610), (2220, 72549), (2687, 59940), (2997, 53740), (3330, 48366), (3996, 40305), (4995, 32244), (5374, 29970), (5994, 26870), (6660, 24183), (8061, 19980), (9990, 16122), (10748, 14985), (11988, 13435)]