About the Number

120978780

120978779 ← → 120978781

2進数表記:111001101011111110101011100

漢数字表記:一億二千九十七万八千七百八十

素因数分解:

2 2 × 3 1 × 5 1 × 13 1 × 43 1 × 3607 1

素因数の和:3675
約数の個数: 96
約数和(自身を含む): 373384704
約数和(自身を除く): 252405924

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 65, 78, 86, 129, 130, 156, 172, 195, 215, 258, 260, 390, 430, 516, 559, 645, 780, 860, 1118, 1290, 1677, 2236, 2580, 2795, 3354, 3607, 5590, 6708, 7214, 8385, 10821, 11180, 14428, 16770, 18035, 21642, 33540, 36070, 43284, 46891, 54105, 72140, 93782, 108210, 140673, 155101, 187564, 216420, 234455, 281346, 310202, 465303, 468910, 562692, 620404, 703365, 775505, 930606, 937820, 1406730, 1551010, 1861212, 2016313, 2326515, 2813460, 3102020, 4032626, 4653030, 6048939, 8065252, 9306060, 10081565, 12097878, 20163130, 24195756, 30244695, 40326260, 60489390, 120978780]

約数ペア:
[(1, 120978780), (2, 60489390), (3, 40326260), (4, 30244695), (5, 24195756), (6, 20163130), (10, 12097878), (12, 10081565), (13, 9306060), (15, 8065252), (20, 6048939), (26, 4653030), (30, 4032626), (39, 3102020), (43, 2813460), (52, 2326515), (60, 2016313), (65, 1861212), (78, 1551010), (86, 1406730), (129, 937820), (130, 930606), (156, 775505), (172, 703365), (195, 620404), (215, 562692), (258, 468910), (260, 465303), (390, 310202), (430, 281346), (516, 234455), (559, 216420), (645, 187564), (780, 155101), (860, 140673), (1118, 108210), (1290, 93782), (1677, 72140), (2236, 54105), (2580, 46891), (2795, 43284), (3354, 36070), (3607, 33540), (5590, 21642), (6708, 18035), (7214, 16770), (8385, 14428), (10821, 11180)]

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