20725650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 144

約数和(自身を含む): 62674560

約数和(自身を除く): 41948910

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 53, 55, 66, 75, 79, 90, 99, 106, 110, 150, 158, 159, 165, 198, 225, 237, 265, 275, 318, 330, 395, 450, 474, 477, 495, 530, 550, 583, 711, 790, 795, 825, 869, 954, 990, 1166, 1185, 1325, 1422, 1590, 1650, 1738, 1749, 1975, 2370, 2385, 2475, 2607, 2650, 2915, 3498, 3555, 3950, 3975, 4187, 4345, 4770, 4950, 5214, 5247, 5830, 5925, 7110, 7821, 7950, 8374, 8690, 8745, 10494, 11850, 11925, 12561, 13035, 14575, 15642, 17490, 17775, 20935, 21725, 23850, 25122, 26070, 26235, 29150, 35550, 37683, 39105, 41870, 43450, 43725, 46057, 52470, 62805, 65175, 75366, 78210, 87450, 92114, 104675, 125610, 130350, 131175, 138171, 188415, 195525, 209350, 230285, 262350, 276342, 314025, 376830, 391050, 414513, 460570, 628050, 690855, 829026, 942075, 1151425, 1381710, 1884150, 2072565, 2302850, 3454275, 4145130, 6908550, 10362825, 20725650]

約数ペア:

[(1, 20725650), (2, 10362825), (3, 6908550), (5, 4145130), (6, 3454275), (9, 2302850), (10, 2072565), (11, 1884150), (15, 1381710), (18, 1151425), (22, 942075), (25, 829026), (30, 690855), (33, 628050), (45, 460570), (50, 414513), (53, 391050), (55, 376830), (66, 314025), (75, 276342), (79, 262350), (90, 230285), (99, 209350), (106, 195525), (110, 188415), (150, 138171), (158, 131175), (159, 130350), (165, 125610), (198, 104675), (225, 92114), (237, 87450), (265, 78210), (275, 75366), (318, 65175), (330, 62805), (395, 52470), (450, 46057), (474, 43725), (477, 43450), (495, 41870), (530, 39105), (550, 37683), (583, 35550), (711, 29150), (790, 26235), (795, 26070), (825, 25122), (869, 23850), (954, 21725), (990, 20935), (1166, 17775), (1185, 17490), (1325, 15642), (1422, 14575), (1590, 13035), (1650, 12561), (1738, 11925), (1749, 11850), (1975, 10494), (2370, 8745), (2385, 8690), (2475, 8374), (2607, 7950), (2650, 7821), (2915, 7110), (3498, 5925), (3555, 5830), (3950, 5247), (3975, 5214), (4187, 4950), (4345, 4770)]