About the Number

221705640

221705639 ← → 221705641

2進数表記:1101001101101111010110101000

漢数字表記:二億二千百七十万五千六百四十

素因数分解:

2 3 × 3 3 × 5 1 × 13 1 × 15791 1

素因数の和:15824
約数の個数: 128
約数和(自身を含む): 795916800
約数和(自身を除く): 574211160

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 7020, 14040, 15791, 31582, 47373, 63164, 78955, 94746, 126328, 142119, 157910, 189492, 205283, 236865, 284238, 315820, 378984, 410566, 426357, 473730, 568476, 615849, 631640, 710595, 821132, 852714, 947460, 1026415, 1136952, 1231698, 1421190, 1642264, 1705428, 1847547, 1894920, 2052830, 2131785, 2463396, 2842380, 3079245, 3410856, 3695094, 4105660, 4263570, 4926792, 5542641, 5684760, 6158490, 7390188, 8211320, 8527140, 9237735, 11085282, 12316980, 14780376, 17054280, 18475470, 22170564, 24633960, 27713205, 36950940, 44341128, 55426410, 73901880, 110852820, 221705640]

約数ペア:
[(1, 221705640), (2, 110852820), (3, 73901880), (4, 55426410), (5, 44341128), (6, 36950940), (8, 27713205), (9, 24633960), (10, 22170564), (12, 18475470), (13, 17054280), (15, 14780376), (18, 12316980), (20, 11085282), (24, 9237735), (26, 8527140), (27, 8211320), (30, 7390188), (36, 6158490), (39, 5684760), (40, 5542641), (45, 4926792), (52, 4263570), (54, 4105660), (60, 3695094), (65, 3410856), (72, 3079245), (78, 2842380), (90, 2463396), (104, 2131785), (108, 2052830), (117, 1894920), (120, 1847547), (130, 1705428), (135, 1642264), (156, 1421190), (180, 1231698), (195, 1136952), (216, 1026415), (234, 947460), (260, 852714), (270, 821132), (312, 710595), (351, 631640), (360, 615849), (390, 568476), (468, 473730), (520, 426357), (540, 410566), (585, 378984), (702, 315820), (780, 284238), (936, 236865), (1080, 205283), (1170, 189492), (1404, 157910), (1560, 142119), (1755, 126328), (2340, 94746), (2808, 78955), (3510, 63164), (4680, 47373), (7020, 31582), (14040, 15791)]

このpageの処理時間: 0.01426839828491211 seconds