72678800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:241

約数の個数: 120

約数和(自身を含む): 187740960

約数和(自身を除く): 115062160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 73, 76, 80, 95, 100, 131, 146, 152, 190, 200, 262, 292, 304, 365, 380, 400, 475, 524, 584, 655, 730, 760, 950, 1048, 1168, 1310, 1387, 1460, 1520, 1825, 1900, 2096, 2489, 2620, 2774, 2920, 3275, 3650, 3800, 4978, 5240, 5548, 5840, 6550, 6935, 7300, 7600, 9563, 9956, 10480, 11096, 12445, 13100, 13870, 14600, 19126, 19912, 22192, 24890, 26200, 27740, 29200, 34675, 38252, 39824, 47815, 49780, 52400, 55480, 62225, 69350, 76504, 95630, 99560, 110960, 124450, 138700, 153008, 181697, 191260, 199120, 239075, 248900, 277400, 363394, 382520, 478150, 497800, 554800, 726788, 765040, 908485, 956300, 995600, 1453576, 1816970, 1912600, 2907152, 3633940, 3825200, 4542425, 7267880, 9084850, 14535760, 18169700, 36339400, 72678800]

約数ペア:

[(1, 72678800), (2, 36339400), (4, 18169700), (5, 14535760), (8, 9084850), (10, 7267880), (16, 4542425), (19, 3825200), (20, 3633940), (25, 2907152), (38, 1912600), (40, 1816970), (50, 1453576), (73, 995600), (76, 956300), (80, 908485), (95, 765040), (100, 726788), (131, 554800), (146, 497800), (152, 478150), (190, 382520), (200, 363394), (262, 277400), (292, 248900), (304, 239075), (365, 199120), (380, 191260), (400, 181697), (475, 153008), (524, 138700), (584, 124450), (655, 110960), (730, 99560), (760, 95630), (950, 76504), (1048, 69350), (1168, 62225), (1310, 55480), (1387, 52400), (1460, 49780), (1520, 47815), (1825, 39824), (1900, 38252), (2096, 34675), (2489, 29200), (2620, 27740), (2774, 26200), (2920, 24890), (3275, 22192), (3650, 19912), (3800, 19126), (4978, 14600), (5240, 13870), (5548, 13100), (5840, 12445), (6550, 11096), (6935, 10480), (7300, 9956), (7600, 9563)]