About the Number

238420080

238420079 ← → 238420081

2進数表記:1110001101100000000001110000

漢数字表記:二億三千八百四十二万八十

素因数分解:

2 4 × 3 2 × 5 1 × 269 1 × 1231 1

素因数の和:1519
約数の個数: 120
約数和(自身を含む): 804323520
約数和(自身を除く): 565903440

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 269, 360, 538, 720, 807, 1076, 1231, 1345, 1614, 2152, 2421, 2462, 2690, 3228, 3693, 4035, 4304, 4842, 4924, 5380, 6155, 6456, 7386, 8070, 9684, 9848, 10760, 11079, 12105, 12310, 12912, 14772, 16140, 18465, 19368, 19696, 21520, 22158, 24210, 24620, 29544, 32280, 36930, 38736, 44316, 48420, 49240, 55395, 59088, 64560, 73860, 88632, 96840, 98480, 110790, 147720, 177264, 193680, 221580, 295440, 331139, 443160, 662278, 886320, 993417, 1324556, 1655695, 1986834, 2649112, 2980251, 3311390, 3973668, 4967085, 5298224, 5960502, 6622780, 7947336, 9934170, 11921004, 13245560, 14901255, 15894672, 19868340, 23842008, 26491120, 29802510, 39736680, 47684016, 59605020, 79473360, 119210040, 238420080]

約数ペア:
[(1, 238420080), (2, 119210040), (3, 79473360), (4, 59605020), (5, 47684016), (6, 39736680), (8, 29802510), (9, 26491120), (10, 23842008), (12, 19868340), (15, 15894672), (16, 14901255), (18, 13245560), (20, 11921004), (24, 9934170), (30, 7947336), (36, 6622780), (40, 5960502), (45, 5298224), (48, 4967085), (60, 3973668), (72, 3311390), (80, 2980251), (90, 2649112), (120, 1986834), (144, 1655695), (180, 1324556), (240, 993417), (269, 886320), (360, 662278), (538, 443160), (720, 331139), (807, 295440), (1076, 221580), (1231, 193680), (1345, 177264), (1614, 147720), (2152, 110790), (2421, 98480), (2462, 96840), (2690, 88632), (3228, 73860), (3693, 64560), (4035, 59088), (4304, 55395), (4842, 49240), (4924, 48420), (5380, 44316), (6155, 38736), (6456, 36930), (7386, 32280), (8070, 29544), (9684, 24620), (9848, 24210), (10760, 22158), (11079, 21520), (12105, 19696), (12310, 19368), (12912, 18465), (14772, 16140)]

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