233561440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^3$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 663272064

約数和(自身を除く): 429710624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 961, 980, 992, 1085, 1120, 1240, 1519, 1568, 1736, 1922, 1960, 2170, 2480, 3038, 3472, 3844, 3920, 4340, 4805, 4960, 6076, 6727, 6944, 7595, 7688, 7840, 8680, 9610, 12152, 13454, 15190, 15376, 17360, 19220, 24304, 26908, 29791, 30380, 30752, 33635, 34720, 38440, 47089, 48608, 53816, 59582, 60760, 67270, 76880, 94178, 107632, 119164, 121520, 134540, 148955, 153760, 188356, 208537, 215264, 235445, 238328, 243040, 269080, 297910, 376712, 417074, 470890, 476656, 538160, 595820, 753424, 834148, 941780, 953312, 1042685, 1076320, 1191640, 1459759, 1506848, 1668296, 1883560, 2085370, 2383280, 2919518, 3336592, 3767120, 4170740, 4766560, 5839036, 6673184, 7298795, 7534240, 8341480, 11678072, 14597590, 16682960, 23356144, 29195180, 33365920, 46712288, 58390360, 116780720, 233561440]

約数ペア:

[(1, 233561440), (2, 116780720), (4, 58390360), (5, 46712288), (7, 33365920), (8, 29195180), (10, 23356144), (14, 16682960), (16, 14597590), (20, 11678072), (28, 8341480), (31, 7534240), (32, 7298795), (35, 6673184), (40, 5839036), (49, 4766560), (56, 4170740), (62, 3767120), (70, 3336592), (80, 2919518), (98, 2383280), (112, 2085370), (124, 1883560), (140, 1668296), (155, 1506848), (160, 1459759), (196, 1191640), (217, 1076320), (224, 1042685), (245, 953312), (248, 941780), (280, 834148), (310, 753424), (392, 595820), (434, 538160), (490, 476656), (496, 470890), (560, 417074), (620, 376712), (784, 297910), (868, 269080), (961, 243040), (980, 238328), (992, 235445), (1085, 215264), (1120, 208537), (1240, 188356), (1519, 153760), (1568, 148955), (1736, 134540), (1922, 121520), (1960, 119164), (2170, 107632), (2480, 94178), (3038, 76880), (3472, 67270), (3844, 60760), (3920, 59582), (4340, 53816), (4805, 48608), (4960, 47089), (6076, 38440), (6727, 34720), (6944, 33635), (7595, 30752), (7688, 30380), (7840, 29791), (8680, 26908), (9610, 24304), (12152, 19220), (13454, 17360), (15190, 15376)]