121720800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1237}}^1$

素因数の和:1301

約数の個数: 144

約数和(自身を含む): 406192752

約数和(自身を除く): 284471952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 41, 48, 50, 60, 75, 80, 82, 96, 100, 120, 123, 150, 160, 164, 200, 205, 240, 246, 300, 328, 400, 410, 480, 492, 600, 615, 656, 800, 820, 984, 1025, 1200, 1230, 1237, 1312, 1640, 1968, 2050, 2400, 2460, 2474, 3075, 3280, 3711, 3936, 4100, 4920, 4948, 6150, 6185, 6560, 7422, 8200, 9840, 9896, 12300, 12370, 14844, 16400, 18555, 19680, 19792, 24600, 24740, 29688, 30925, 32800, 37110, 39584, 49200, 49480, 50717, 59376, 61850, 74220, 92775, 98400, 98960, 101434, 118752, 123700, 148440, 152151, 185550, 197920, 202868, 247400, 253585, 296880, 304302, 371100, 405736, 494800, 507170, 593760, 608604, 742200, 760755, 811472, 989600, 1014340, 1217208, 1267925, 1484400, 1521510, 1622944, 2028680, 2434416, 2535850, 2968800, 3043020, 3803775, 4057360, 4868832, 5071700, 6086040, 7607550, 8114720, 10143400, 12172080, 15215100, 20286800, 24344160, 30430200, 40573600, 60860400, 121720800]

約数ペア:

[(1, 121720800), (2, 60860400), (3, 40573600), (4, 30430200), (5, 24344160), (6, 20286800), (8, 15215100), (10, 12172080), (12, 10143400), (15, 8114720), (16, 7607550), (20, 6086040), (24, 5071700), (25, 4868832), (30, 4057360), (32, 3803775), (40, 3043020), (41, 2968800), (48, 2535850), (50, 2434416), (60, 2028680), (75, 1622944), (80, 1521510), (82, 1484400), (96, 1267925), (100, 1217208), (120, 1014340), (123, 989600), (150, 811472), (160, 760755), (164, 742200), (200, 608604), (205, 593760), (240, 507170), (246, 494800), (300, 405736), (328, 371100), (400, 304302), (410, 296880), (480, 253585), (492, 247400), (600, 202868), (615, 197920), (656, 185550), (800, 152151), (820, 148440), (984, 123700), (1025, 118752), (1200, 101434), (1230, 98960), (1237, 98400), (1312, 92775), (1640, 74220), (1968, 61850), (2050, 59376), (2400, 50717), (2460, 49480), (2474, 49200), (3075, 39584), (3280, 37110), (3711, 32800), (3936, 30925), (4100, 29688), (4920, 24740), (4948, 24600), (6150, 19792), (6185, 19680), (6560, 18555), (7422, 16400), (8200, 14844), (9840, 12370), (9896, 12300)]