291812220

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{25733}}^1$

素因数の和:25761

約数の個数: 120

約数和(自身を含む): 1046241504

約数和(自身を除く): 754429284

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, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 25733, 51466, 77199, 102932, 128665, 154398, 180131, 231597, 257330, 308796, 360262, 385995, 463194, 514660, 540393, 694791, 720524, 771990, 900655, 926388, 1080786, 1157985, 1389582, 1543980, 1621179, 1801310, 2084373, 2161572, 2315970, 2701965, 2779164, 3242358, 3473955, 3602620, 4168746, 4631940, 4863537, 5403930, 6484716, 6947910, 8105895, 8337492, 9727074, 10421865, 10807860, 13895820, 14590611, 16211790, 19454148, 20843730, 24317685, 29181222, 32423580, 41687460, 48635370, 58362444, 72953055, 97270740, 145906110, 291812220]

約数ペア:

[(1, 291812220), (2, 145906110), (3, 97270740), (4, 72953055), (5, 58362444), (6, 48635370), (7, 41687460), (9, 32423580), (10, 29181222), (12, 24317685), (14, 20843730), (15, 19454148), (18, 16211790), (20, 14590611), (21, 13895820), (27, 10807860), (28, 10421865), (30, 9727074), (35, 8337492), (36, 8105895), (42, 6947910), (45, 6484716), (54, 5403930), (60, 4863537), (63, 4631940), (70, 4168746), (81, 3602620), (84, 3473955), (90, 3242358), (105, 2779164), (108, 2701965), (126, 2315970), (135, 2161572), (140, 2084373), (162, 1801310), (180, 1621179), (189, 1543980), (210, 1389582), (252, 1157985), (270, 1080786), (315, 926388), (324, 900655), (378, 771990), (405, 720524), (420, 694791), (540, 540393), (567, 514660), (630, 463194), (756, 385995), (810, 360262), (945, 308796), (1134, 257330), (1260, 231597), (1620, 180131), (1890, 154398), (2268, 128665), (2835, 102932), (3780, 77199), (5670, 51466), (11340, 25733)]