About the Number

128405472

128405471 ← → 128405473

2進数表記:111101001110100111111100000

漢数字表記:一億二千八百四十万五千四百七十二

素因数分解:

2 5 × 3 1 × 13 1 × 31 1 × 3319 1

素因数の和:3376
約数の個数: 96
約数和(自身を含む): 374814720
約数和(自身を除く): 246409248

約数列:
[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 78, 93, 96, 104, 124, 156, 186, 208, 248, 312, 372, 403, 416, 496, 624, 744, 806, 992, 1209, 1248, 1488, 1612, 2418, 2976, 3224, 3319, 4836, 6448, 6638, 9672, 9957, 12896, 13276, 19344, 19914, 26552, 38688, 39828, 43147, 53104, 79656, 86294, 102889, 106208, 129441, 159312, 172588, 205778, 258882, 308667, 318624, 345176, 411556, 517764, 617334, 690352, 823112, 1035528, 1234668, 1337557, 1380704, 1646224, 2071056, 2469336, 2675114, 3292448, 4012671, 4142112, 4938672, 5350228, 8025342, 9877344, 10700456, 16050684, 21400912, 32101368, 42801824, 64202736, 128405472]

約数ペア:
[(1, 128405472), (2, 64202736), (3, 42801824), (4, 32101368), (6, 21400912), (8, 16050684), (12, 10700456), (13, 9877344), (16, 8025342), (24, 5350228), (26, 4938672), (31, 4142112), (32, 4012671), (39, 3292448), (48, 2675114), (52, 2469336), (62, 2071056), (78, 1646224), (93, 1380704), (96, 1337557), (104, 1234668), (124, 1035528), (156, 823112), (186, 690352), (208, 617334), (248, 517764), (312, 411556), (372, 345176), (403, 318624), (416, 308667), (496, 258882), (624, 205778), (744, 172588), (806, 159312), (992, 129441), (1209, 106208), (1248, 102889), (1488, 86294), (1612, 79656), (2418, 53104), (2976, 43147), (3224, 39828), (3319, 38688), (4836, 26552), (6448, 19914), (6638, 19344), (9672, 13276), (9957, 12896)]

このpageの処理時間: 0.00835871696472168 seconds