About the Number

120408680

120408679 ← → 120408681

2進数表記:111001011010100101001101000

漢数字表記:一億二千四十万八千六百八十

素因数分解:

2 3 × 5 1 × 7 2 × 23 1 × 2671 1

素因数の和:2719
約数の個数: 96
約数和(自身を含む): 328976640
約数和(自身を除く): 208567960

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 196, 230, 245, 280, 322, 392, 460, 490, 644, 805, 920, 980, 1127, 1288, 1610, 1960, 2254, 2671, 3220, 4508, 5342, 5635, 6440, 9016, 10684, 11270, 13355, 18697, 21368, 22540, 26710, 37394, 45080, 53420, 61433, 74788, 93485, 106840, 122866, 130879, 149576, 186970, 245732, 261758, 307165, 373940, 430031, 491464, 523516, 614330, 654395, 747880, 860062, 1047032, 1228660, 1308790, 1720124, 2150155, 2457320, 2617580, 3010217, 3440248, 4300310, 5235160, 6020434, 8600620, 12040868, 15051085, 17201240, 24081736, 30102170, 60204340, 120408680]

約数ペア:
[(1, 120408680), (2, 60204340), (4, 30102170), (5, 24081736), (7, 17201240), (8, 15051085), (10, 12040868), (14, 8600620), (20, 6020434), (23, 5235160), (28, 4300310), (35, 3440248), (40, 3010217), (46, 2617580), (49, 2457320), (56, 2150155), (70, 1720124), (92, 1308790), (98, 1228660), (115, 1047032), (140, 860062), (161, 747880), (184, 654395), (196, 614330), (230, 523516), (245, 491464), (280, 430031), (322, 373940), (392, 307165), (460, 261758), (490, 245732), (644, 186970), (805, 149576), (920, 130879), (980, 122866), (1127, 106840), (1288, 93485), (1610, 74788), (1960, 61433), (2254, 53420), (2671, 45080), (3220, 37394), (4508, 26710), (5342, 22540), (5635, 21368), (6440, 18697), (9016, 13355), (10684, 11270)]

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