About the Number
121989840
2進数表記:111010001010110101011010000
漢数字表記:一億二千百九十八万九千八百四十
素因数分解:
素因数の和:72636
約数の個数: 80
約数和(自身を含む): 432198528
約数和(自身を除く): 310208688
約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 72613, 145226, 217839, 290452, 363065, 435678, 508291, 580904, 726130, 871356, 1016582, 1089195, 1161808, 1452260, 1524873, 1742712, 2033164, 2178390, 2541455, 2904520, 3049746, 3485424, 4066328, 4356780, 5082910, 5809040, 6099492, 7624365, 8132656, 8713560, 10165820, 12198984, 15248730, 17427120, 20331640, 24397968, 30497460, 40663280, 60994920, 121989840]
約数ペア:
[(1, 121989840), (2, 60994920), (3, 40663280), (4, 30497460), (5, 24397968), (6, 20331640), (7, 17427120), (8, 15248730), (10, 12198984), (12, 10165820), (14, 8713560), (15, 8132656), (16, 7624365), (20, 6099492), (21, 5809040), (24, 5082910), (28, 4356780), (30, 4066328), (35, 3485424), (40, 3049746), (42, 2904520), (48, 2541455), (56, 2178390), (60, 2033164), (70, 1742712), (80, 1524873), (84, 1452260), (105, 1161808), (112, 1089195), (120, 1016582), (140, 871356), (168, 726130), (210, 580904), (240, 508291), (280, 435678), (336, 363065), (420, 290452), (560, 217839), (840, 145226), (1680, 72613)]このpageの処理時間: 0.012555360794067383 seconds