About the Number
72989640
2進数表記:100010110011011101111001000
漢数字表記:七千二百九十八万九千六百四十
素因数分解:
素因数の和:3596
約数の個数: 128
約数和(自身を含む): 256176000
約数和(自身を除く): 183186360
約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 3557, 4104, 5130, 6840, 7114, 10260, 10671, 14228, 17785, 20520, 21342, 28456, 32013, 35570, 42684, 53355, 64026, 67583, 71140, 85368, 96039, 106710, 128052, 135166, 142280, 160065, 192078, 202749, 213420, 256104, 270332, 320130, 337915, 384156, 405498, 426840, 480195, 540664, 608247, 640260, 675830, 768312, 810996, 960390, 1013745, 1216494, 1280520, 1351660, 1621992, 1824741, 1920780, 2027490, 2432988, 2703320, 3041235, 3649482, 3841560, 4054980, 4865976, 6082470, 7298964, 8109960, 9123705, 12164940, 14597928, 18247410, 24329880, 36494820, 72989640]
約数ペア:
[(1, 72989640), (2, 36494820), (3, 24329880), (4, 18247410), (5, 14597928), (6, 12164940), (8, 9123705), (9, 8109960), (10, 7298964), (12, 6082470), (15, 4865976), (18, 4054980), (19, 3841560), (20, 3649482), (24, 3041235), (27, 2703320), (30, 2432988), (36, 2027490), (38, 1920780), (40, 1824741), (45, 1621992), (54, 1351660), (57, 1280520), (60, 1216494), (72, 1013745), (76, 960390), (90, 810996), (95, 768312), (108, 675830), (114, 640260), (120, 608247), (135, 540664), (152, 480195), (171, 426840), (180, 405498), (190, 384156), (216, 337915), (228, 320130), (270, 270332), (285, 256104), (342, 213420), (360, 202749), (380, 192078), (456, 160065), (513, 142280), (540, 135166), (570, 128052), (684, 106710), (760, 96039), (855, 85368), (1026, 71140), (1080, 67583), (1140, 64026), (1368, 53355), (1710, 42684), (2052, 35570), (2280, 32013), (2565, 28456), (3420, 21342), (3557, 20520), (4104, 17785), (5130, 14228), (6840, 10671), (7114, 10260)]このpageの処理時間: 0.00962972640991211 seconds