18841500

素因数分解:

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

素因数の和:157

約数の個数: 144

約数和(自身を含む): 61326720

約数和(自身を除く): 42485220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 53, 60, 75, 79, 90, 100, 106, 125, 150, 158, 159, 180, 212, 225, 237, 250, 265, 300, 316, 318, 375, 395, 450, 474, 477, 500, 530, 636, 711, 750, 790, 795, 900, 948, 954, 1060, 1125, 1185, 1325, 1422, 1500, 1580, 1590, 1908, 1975, 2250, 2370, 2385, 2650, 2844, 3180, 3555, 3950, 3975, 4187, 4500, 4740, 4770, 5300, 5925, 6625, 7110, 7900, 7950, 8374, 9540, 9875, 11850, 11925, 12561, 13250, 14220, 15900, 16748, 17775, 19750, 19875, 20935, 23700, 23850, 25122, 26500, 29625, 35550, 37683, 39500, 39750, 41870, 47700, 50244, 59250, 59625, 62805, 71100, 75366, 79500, 83740, 88875, 104675, 118500, 119250, 125610, 150732, 177750, 188415, 209350, 238500, 251220, 314025, 355500, 376830, 418700, 523375, 628050, 753660, 942075, 1046750, 1256100, 1570125, 1884150, 2093500, 3140250, 3768300, 4710375, 6280500, 9420750, 18841500]

約数ペア:

[(1, 18841500), (2, 9420750), (3, 6280500), (4, 4710375), (5, 3768300), (6, 3140250), (9, 2093500), (10, 1884150), (12, 1570125), (15, 1256100), (18, 1046750), (20, 942075), (25, 753660), (30, 628050), (36, 523375), (45, 418700), (50, 376830), (53, 355500), (60, 314025), (75, 251220), (79, 238500), (90, 209350), (100, 188415), (106, 177750), (125, 150732), (150, 125610), (158, 119250), (159, 118500), (180, 104675), (212, 88875), (225, 83740), (237, 79500), (250, 75366), (265, 71100), (300, 62805), (316, 59625), (318, 59250), (375, 50244), (395, 47700), (450, 41870), (474, 39750), (477, 39500), (500, 37683), (530, 35550), (636, 29625), (711, 26500), (750, 25122), (790, 23850), (795, 23700), (900, 20935), (948, 19875), (954, 19750), (1060, 17775), (1125, 16748), (1185, 15900), (1325, 14220), (1422, 13250), (1500, 12561), (1580, 11925), (1590, 11850), (1908, 9875), (1975, 9540), (2250, 8374), (2370, 7950), (2385, 7900), (2650, 7110), (2844, 6625), (3180, 5925), (3555, 5300), (3950, 4770), (3975, 4740), (4187, 4500)]