About the Number

121880520

121880519 ← → 121880521

2進数表記:111010000111011111111001000

漢数字表記:一億二千百八十八万五百二十

素因数分解:

2 3 × 3 2 × 5 1 × 83 1 × 4079 1

素因数の和:4179
約数の個数: 96
約数和(自身を含む): 400982400
約数和(自身を除く): 279101880

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 83, 90, 120, 166, 180, 249, 332, 360, 415, 498, 664, 747, 830, 996, 1245, 1494, 1660, 1992, 2490, 2988, 3320, 3735, 4079, 4980, 5976, 7470, 8158, 9960, 12237, 14940, 16316, 20395, 24474, 29880, 32632, 36711, 40790, 48948, 61185, 73422, 81580, 97896, 122370, 146844, 163160, 183555, 244740, 293688, 338557, 367110, 489480, 677114, 734220, 1015671, 1354228, 1468440, 1692785, 2031342, 2708456, 3047013, 3385570, 4062684, 5078355, 6094026, 6771140, 8125368, 10156710, 12188052, 13542280, 15235065, 20313420, 24376104, 30470130, 40626840, 60940260, 121880520]

約数ペア:
[(1, 121880520), (2, 60940260), (3, 40626840), (4, 30470130), (5, 24376104), (6, 20313420), (8, 15235065), (9, 13542280), (10, 12188052), (12, 10156710), (15, 8125368), (18, 6771140), (20, 6094026), (24, 5078355), (30, 4062684), (36, 3385570), (40, 3047013), (45, 2708456), (60, 2031342), (72, 1692785), (83, 1468440), (90, 1354228), (120, 1015671), (166, 734220), (180, 677114), (249, 489480), (332, 367110), (360, 338557), (415, 293688), (498, 244740), (664, 183555), (747, 163160), (830, 146844), (996, 122370), (1245, 97896), (1494, 81580), (1660, 73422), (1992, 61185), (2490, 48948), (2988, 40790), (3320, 36711), (3735, 32632), (4079, 29880), (4980, 24474), (5976, 20395), (7470, 16316), (8158, 14940), (9960, 12237)]

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