About the Number

42720989688

42720989687 ← → 42720989689

2進数表記:100111110010010111101001000111111000

漢数字表記:四百二十七億二千九十八万九千六百八十八

素因数分解:

2 3 × 3 2 × 13 1 × 1129 1 × 40427 1

素因数の和:41581
約数の個数: 96
約数和(自身を含む): 124716337200
約数和(自身を除く): 81995347512

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 1129, 2258, 3387, 4516, 6774, 9032, 10161, 13548, 14677, 20322, 27096, 29354, 40427, 40644, 44031, 58708, 80854, 81288, 88062, 117416, 121281, 132093, 161708, 176124, 242562, 264186, 323416, 352248, 363843, 485124, 525551, 528372, 727686, 970248, 1051102, 1056744, 1455372, 1576653, 2102204, 2910744, 3153306, 4204408, 4729959, 6306612, 9459918, 12613224, 18919836, 37839672, 45642083, 91284166, 136926249, 182568332, 273852498, 365136664, 410778747, 547704996, 593347079, 821557494, 1095409992, 1186694158, 1643114988, 1780041237, 2373388316, 3286229976, 3560082474, 4746776632, 5340123711, 7120164948, 10680247422, 14240329896, 21360494844, 42720989688]

約数ペア:
[(1, 42720989688), (2, 21360494844), (3, 14240329896), (4, 10680247422), (6, 7120164948), (8, 5340123711), (9, 4746776632), (12, 3560082474), (13, 3286229976), (18, 2373388316), (24, 1780041237), (26, 1643114988), (36, 1186694158), (39, 1095409992), (52, 821557494), (72, 593347079), (78, 547704996), (104, 410778747), (117, 365136664), (156, 273852498), (234, 182568332), (312, 136926249), (468, 91284166), (936, 45642083), (1129, 37839672), (2258, 18919836), (3387, 12613224), (4516, 9459918), (6774, 6306612), (9032, 4729959), (10161, 4204408), (13548, 3153306), (14677, 2910744), (20322, 2102204), (27096, 1576653), (29354, 1455372), (40427, 1056744), (40644, 1051102), (44031, 970248), (58708, 727686), (80854, 528372), (81288, 525551), (88062, 485124), (117416, 363843), (121281, 352248), (132093, 323416), (161708, 264186), (176124, 242562)]

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