660732660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{24971}}^1$

素因数の和:25003

約数の個数: 144

約数和(自身を含む): 2391318720

約数和(自身を除く): 1730586060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 5292, 6615, 8820, 13230, 24971, 26460, 49942, 74913, 99884, 124855, 149826, 174797, 224739, 249710, 299652, 349594, 374565, 449478, 499420, 524391, 674217, 699188, 749130, 873985, 898956, 1048782, 1123695, 1223579, 1348434, 1498260, 1573173, 1747970, 2097564, 2247390, 2447158, 2621955, 2696868, 3146346, 3371085, 3495940, 3670737, 4494780, 4719519, 4894316, 5243910, 6117895, 6292692, 6742170, 7341474, 7865865, 9439038, 10487820, 11012211, 12235790, 13484340, 14682948, 15731730, 18353685, 18878076, 22024422, 23597595, 24471580, 31463460, 33036633, 36707370, 44048844, 47195190, 55061055, 66073266, 73414740, 94390380, 110122110, 132146532, 165183165, 220244220, 330366330, 660732660]

約数ペア:

[(1, 660732660), (2, 330366330), (3, 220244220), (4, 165183165), (5, 132146532), (6, 110122110), (7, 94390380), (9, 73414740), (10, 66073266), (12, 55061055), (14, 47195190), (15, 44048844), (18, 36707370), (20, 33036633), (21, 31463460), (27, 24471580), (28, 23597595), (30, 22024422), (35, 18878076), (36, 18353685), (42, 15731730), (45, 14682948), (49, 13484340), (54, 12235790), (60, 11012211), (63, 10487820), (70, 9439038), (84, 7865865), (90, 7341474), (98, 6742170), (105, 6292692), (108, 6117895), (126, 5243910), (135, 4894316), (140, 4719519), (147, 4494780), (180, 3670737), (189, 3495940), (196, 3371085), (210, 3146346), (245, 2696868), (252, 2621955), (270, 2447158), (294, 2247390), (315, 2097564), (378, 1747970), (420, 1573173), (441, 1498260), (490, 1348434), (540, 1223579), (588, 1123695), (630, 1048782), (735, 898956), (756, 873985), (882, 749130), (945, 699188), (980, 674217), (1260, 524391), (1323, 499420), (1470, 449478), (1764, 374565), (1890, 349594), (2205, 299652), (2646, 249710), (2940, 224739), (3780, 174797), (4410, 149826), (5292, 124855), (6615, 99884), (8820, 74913), (13230, 49942), (24971, 26460)]