About the Number
72648940
2進数表記:100010101001000100011101100
漢数字表記:七千二百六十四万八千九百四十
素因数分解:
素因数の和:431
約数の個数: 96
約数和(自身を含む): 189665280
約数和(自身を除く): 117016340
約数列:
[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 179, 182, 223, 260, 358, 364, 446, 455, 716, 892, 895, 910, 1115, 1253, 1561, 1790, 1820, 2230, 2327, 2506, 2899, 3122, 3580, 4460, 4654, 5012, 5798, 6244, 6265, 7805, 9308, 11596, 11635, 12530, 14495, 15610, 16289, 20293, 23270, 25060, 28990, 31220, 32578, 39917, 40586, 46540, 57980, 65156, 79834, 81172, 81445, 101465, 159668, 162890, 199585, 202930, 279419, 325780, 399170, 405860, 518921, 558838, 798340, 1037842, 1117676, 1397095, 2075684, 2594605, 2794190, 3632447, 5189210, 5588380, 7264894, 10378420, 14529788, 18162235, 36324470, 72648940]
約数ペア:
[(1, 72648940), (2, 36324470), (4, 18162235), (5, 14529788), (7, 10378420), (10, 7264894), (13, 5588380), (14, 5189210), (20, 3632447), (26, 2794190), (28, 2594605), (35, 2075684), (52, 1397095), (65, 1117676), (70, 1037842), (91, 798340), (130, 558838), (140, 518921), (179, 405860), (182, 399170), (223, 325780), (260, 279419), (358, 202930), (364, 199585), (446, 162890), (455, 159668), (716, 101465), (892, 81445), (895, 81172), (910, 79834), (1115, 65156), (1253, 57980), (1561, 46540), (1790, 40586), (1820, 39917), (2230, 32578), (2327, 31220), (2506, 28990), (2899, 25060), (3122, 23270), (3580, 20293), (4460, 16289), (4654, 15610), (5012, 14495), (5798, 12530), (6244, 11635), (6265, 11596), (7805, 9308)]このpageの処理時間: 0.01057744026184082 seconds