About the Number

121087980

121087979 ← → 121087981

2進数表記:111001101111010011111101100

漢数字表記:一億二千百八万七千九百八十

素因数分解:

2 2 × 3 3 × 5 1 × 13 1 × 47 1 × 367 1

素因数の和:445
約数の個数: 192
約数和(自身を含む): 415457280
約数和(自身を除く): 294369300

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 47, 52, 54, 60, 65, 78, 90, 94, 108, 117, 130, 135, 141, 156, 180, 188, 195, 234, 235, 260, 270, 282, 351, 367, 390, 423, 468, 470, 540, 564, 585, 611, 702, 705, 734, 780, 846, 940, 1101, 1170, 1222, 1269, 1404, 1410, 1468, 1692, 1755, 1833, 1835, 2115, 2202, 2340, 2444, 2538, 2820, 3055, 3303, 3510, 3666, 3670, 4230, 4404, 4771, 5076, 5499, 5505, 6110, 6345, 6606, 7020, 7332, 7340, 8460, 9165, 9542, 9909, 10998, 11010, 12220, 12690, 13212, 14313, 16497, 16515, 17249, 18330, 19084, 19818, 21996, 22020, 23855, 25380, 27495, 28626, 32994, 33030, 34498, 36660, 39636, 42939, 47710, 49545, 51747, 54990, 57252, 65988, 66060, 68996, 71565, 82485, 85878, 86245, 95420, 99090, 103494, 109980, 128817, 143130, 155241, 164970, 171756, 172490, 198180, 206988, 214695, 224237, 257634, 258735, 286260, 310482, 329940, 344980, 429390, 448474, 465723, 515268, 517470, 620964, 644085, 672711, 776205, 858780, 896948, 931446, 1034940, 1121185, 1288170, 1345422, 1552410, 1862892, 2018133, 2242370, 2328615, 2576340, 2690844, 3104820, 3363555, 4036266, 4484740, 4657230, 6054399, 6727110, 8072532, 9314460, 10090665, 12108798, 13454220, 20181330, 24217596, 30271995, 40362660, 60543990, 121087980]

約数ペア:
[(1, 121087980), (2, 60543990), (3, 40362660), (4, 30271995), (5, 24217596), (6, 20181330), (9, 13454220), (10, 12108798), (12, 10090665), (13, 9314460), (15, 8072532), (18, 6727110), (20, 6054399), (26, 4657230), (27, 4484740), (30, 4036266), (36, 3363555), (39, 3104820), (45, 2690844), (47, 2576340), (52, 2328615), (54, 2242370), (60, 2018133), (65, 1862892), (78, 1552410), (90, 1345422), (94, 1288170), (108, 1121185), (117, 1034940), (130, 931446), (135, 896948), (141, 858780), (156, 776205), (180, 672711), (188, 644085), (195, 620964), (234, 517470), (235, 515268), (260, 465723), (270, 448474), (282, 429390), (351, 344980), (367, 329940), (390, 310482), (423, 286260), (468, 258735), (470, 257634), (540, 224237), (564, 214695), (585, 206988), (611, 198180), (702, 172490), (705, 171756), (734, 164970), (780, 155241), (846, 143130), (940, 128817), (1101, 109980), (1170, 103494), (1222, 99090), (1269, 95420), (1404, 86245), (1410, 85878), (1468, 82485), (1692, 71565), (1755, 68996), (1833, 66060), (1835, 65988), (2115, 57252), (2202, 54990), (2340, 51747), (2444, 49545), (2538, 47710), (2820, 42939), (3055, 39636), (3303, 36660), (3510, 34498), (3666, 33030), (3670, 32994), (4230, 28626), (4404, 27495), (4771, 25380), (5076, 23855), (5499, 22020), (5505, 21996), (6110, 19818), (6345, 19084), (6606, 18330), (7020, 17249), (7332, 16515), (7340, 16497), (8460, 14313), (9165, 13212), (9542, 12690), (9909, 12220), (10998, 11010)]

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