About the Number

1640993940

1640993939 ← → 1640993941

2進数表記:1100001110011111001010010010100

漢数字表記:十六億四千九十九万三千九百四十

素因数分解:

2 2 × 3 2 × 5 1 × 61 1 × 103 1 × 1451 1

素因数の和:1630
約数の個数: 144
約数和(自身を含む): 5111922816
約数和(自身を除く): 3470928876

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 103, 122, 180, 183, 206, 244, 305, 309, 366, 412, 515, 549, 610, 618, 732, 915, 927, 1030, 1098, 1220, 1236, 1451, 1545, 1830, 1854, 2060, 2196, 2745, 2902, 3090, 3660, 3708, 4353, 4635, 5490, 5804, 6180, 6283, 7255, 8706, 9270, 10980, 12566, 13059, 14510, 17412, 18540, 18849, 21765, 25132, 26118, 29020, 31415, 37698, 43530, 52236, 56547, 62830, 65295, 75396, 87060, 88511, 94245, 113094, 125660, 130590, 149453, 177022, 188490, 226188, 261180, 265533, 282735, 298906, 354044, 376980, 442555, 448359, 531066, 565470, 597812, 747265, 796599, 885110, 896718, 1062132, 1130940, 1327665, 1345077, 1494530, 1593198, 1770220, 1793436, 2241795, 2655330, 2690154, 2989060, 3186396, 3982995, 4483590, 5310660, 5380308, 6725385, 7965990, 8967180, 9116633, 13450770, 15931980, 18233266, 26901540, 27349899, 36466532, 45583165, 54699798, 82049697, 91166330, 109399596, 136749495, 164099394, 182332660, 273498990, 328198788, 410248485, 546997980, 820496970, 1640993940]

約数ペア:
[(1, 1640993940), (2, 820496970), (3, 546997980), (4, 410248485), (5, 328198788), (6, 273498990), (9, 182332660), (10, 164099394), (12, 136749495), (15, 109399596), (18, 91166330), (20, 82049697), (30, 54699798), (36, 45583165), (45, 36466532), (60, 27349899), (61, 26901540), (90, 18233266), (103, 15931980), (122, 13450770), (180, 9116633), (183, 8967180), (206, 7965990), (244, 6725385), (305, 5380308), (309, 5310660), (366, 4483590), (412, 3982995), (515, 3186396), (549, 2989060), (610, 2690154), (618, 2655330), (732, 2241795), (915, 1793436), (927, 1770220), (1030, 1593198), (1098, 1494530), (1220, 1345077), (1236, 1327665), (1451, 1130940), (1545, 1062132), (1830, 896718), (1854, 885110), (2060, 796599), (2196, 747265), (2745, 597812), (2902, 565470), (3090, 531066), (3660, 448359), (3708, 442555), (4353, 376980), (4635, 354044), (5490, 298906), (5804, 282735), (6180, 265533), (6283, 261180), (7255, 226188), (8706, 188490), (9270, 177022), (10980, 149453), (12566, 130590), (13059, 125660), (14510, 113094), (17412, 94245), (18540, 88511), (18849, 87060), (21765, 75396), (25132, 65295), (26118, 62830), (29020, 56547), (31415, 52236), (37698, 43530)]

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