2018201625

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2297}}^1$

素因数の和:2400

約数の個数: 96

約数和(自身を含む): 4026537216

約数和(自身を除く): 2008335591

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 71, 75, 99, 125, 165, 213, 225, 275, 355, 375, 495, 639, 781, 825, 1065, 1125, 1375, 1775, 2297, 2343, 2475, 3195, 3905, 4125, 5325, 6891, 7029, 8875, 11485, 11715, 12375, 15975, 19525, 20673, 25267, 26625, 34455, 35145, 57425, 58575, 75801, 79875, 97625, 103365, 126335, 163087, 172275, 175725, 227403, 287125, 292875, 379005, 489261, 516825, 631675, 815435, 861375, 878625, 1137015, 1467783, 1793957, 1895025, 2446305, 2584125, 3158375, 4077175, 5381871, 5685075, 7338915, 8969785, 9475125, 12231525, 16145613, 20385875, 26909355, 28425375, 36694575, 44848925, 61157625, 80728065, 134546775, 183472875, 224244625, 403640325, 672733875, 2018201625]

約数ペア:

[(1, 2018201625), (3, 672733875), (5, 403640325), (9, 224244625), (11, 183472875), (15, 134546775), (25, 80728065), (33, 61157625), (45, 44848925), (55, 36694575), (71, 28425375), (75, 26909355), (99, 20385875), (125, 16145613), (165, 12231525), (213, 9475125), (225, 8969785), (275, 7338915), (355, 5685075), (375, 5381871), (495, 4077175), (639, 3158375), (781, 2584125), (825, 2446305), (1065, 1895025), (1125, 1793957), (1375, 1467783), (1775, 1137015), (2297, 878625), (2343, 861375), (2475, 815435), (3195, 631675), (3905, 516825), (4125, 489261), (5325, 379005), (6891, 292875), (7029, 287125), (8875, 227403), (11485, 175725), (11715, 172275), (12375, 163087), (15975, 126335), (19525, 103365), (20673, 97625), (25267, 79875), (26625, 75801), (34455, 58575), (35145, 57425)]