About the Number
81442440
2進数表記:100110110101011011010001000
漢数字表記:八千百四十四万二千四百四十
素因数分解:
素因数の和:344
約数の個数: 144
約数和(自身を含む): 275148900
約数和(自身を除く): 193706460
約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 72, 87, 90, 116, 120, 145, 174, 180, 232, 261, 269, 290, 348, 360, 435, 522, 538, 580, 696, 807, 841, 870, 1044, 1076, 1160, 1305, 1345, 1614, 1682, 1740, 2088, 2152, 2421, 2523, 2610, 2690, 3228, 3364, 3480, 4035, 4205, 4842, 5046, 5220, 5380, 6456, 6728, 7569, 7801, 8070, 8410, 9684, 10092, 10440, 10760, 12105, 12615, 15138, 15602, 16140, 16820, 19368, 20184, 23403, 24210, 25230, 30276, 31204, 32280, 33640, 37845, 39005, 46806, 48420, 50460, 60552, 62408, 70209, 75690, 78010, 93612, 96840, 100920, 117015, 140418, 151380, 156020, 187224, 226229, 234030, 280836, 302760, 312040, 351045, 452458, 468060, 561672, 678687, 702090, 904916, 936120, 1131145, 1357374, 1404180, 1809832, 2036061, 2262290, 2714748, 2808360, 3393435, 4072122, 4524580, 5429496, 6786870, 8144244, 9049160, 10180305, 13573740, 16288488, 20360610, 27147480, 40721220, 81442440]
約数ペア:
[(1, 81442440), (2, 40721220), (3, 27147480), (4, 20360610), (5, 16288488), (6, 13573740), (8, 10180305), (9, 9049160), (10, 8144244), (12, 6786870), (15, 5429496), (18, 4524580), (20, 4072122), (24, 3393435), (29, 2808360), (30, 2714748), (36, 2262290), (40, 2036061), (45, 1809832), (58, 1404180), (60, 1357374), (72, 1131145), (87, 936120), (90, 904916), (116, 702090), (120, 678687), (145, 561672), (174, 468060), (180, 452458), (232, 351045), (261, 312040), (269, 302760), (290, 280836), (348, 234030), (360, 226229), (435, 187224), (522, 156020), (538, 151380), (580, 140418), (696, 117015), (807, 100920), (841, 96840), (870, 93612), (1044, 78010), (1076, 75690), (1160, 70209), (1305, 62408), (1345, 60552), (1614, 50460), (1682, 48420), (1740, 46806), (2088, 39005), (2152, 37845), (2421, 33640), (2523, 32280), (2610, 31204), (2690, 30276), (3228, 25230), (3364, 24210), (3480, 23403), (4035, 20184), (4205, 19368), (4842, 16820), (5046, 16140), (5220, 15602), (5380, 15138), (6456, 12615), (6728, 12105), (7569, 10760), (7801, 10440), (8070, 10092), (8410, 9684)]このpageの処理時間: 0.010966300964355469 seconds