289945980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2011}}^1$

素因数の和:2121

約数の個数: 120

約数和(自身を含む): 920248560

約数和(自身を除く): 630302580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 89, 90, 108, 135, 162, 178, 180, 267, 270, 324, 356, 405, 445, 534, 540, 801, 810, 890, 1068, 1335, 1602, 1620, 1780, 2011, 2403, 2670, 3204, 4005, 4022, 4806, 5340, 6033, 7209, 8010, 8044, 9612, 10055, 12015, 12066, 14418, 16020, 18099, 20110, 24030, 24132, 28836, 30165, 36045, 36198, 40220, 48060, 54297, 60330, 72090, 72396, 90495, 108594, 120660, 144180, 162891, 178979, 180990, 217188, 271485, 325782, 357958, 361980, 536937, 542970, 651564, 715916, 814455, 894895, 1073874, 1085940, 1610811, 1628910, 1789790, 2147748, 2684685, 3221622, 3257820, 3579580, 4832433, 5369370, 6443244, 8054055, 9664866, 10738740, 14497299, 16108110, 19329732, 24162165, 28994598, 32216220, 48324330, 57989196, 72486495, 96648660, 144972990, 289945980]

約数ペア:

[(1, 289945980), (2, 144972990), (3, 96648660), (4, 72486495), (5, 57989196), (6, 48324330), (9, 32216220), (10, 28994598), (12, 24162165), (15, 19329732), (18, 16108110), (20, 14497299), (27, 10738740), (30, 9664866), (36, 8054055), (45, 6443244), (54, 5369370), (60, 4832433), (81, 3579580), (89, 3257820), (90, 3221622), (108, 2684685), (135, 2147748), (162, 1789790), (178, 1628910), (180, 1610811), (267, 1085940), (270, 1073874), (324, 894895), (356, 814455), (405, 715916), (445, 651564), (534, 542970), (540, 536937), (801, 361980), (810, 357958), (890, 325782), (1068, 271485), (1335, 217188), (1602, 180990), (1620, 178979), (1780, 162891), (2011, 144180), (2403, 120660), (2670, 108594), (3204, 90495), (4005, 72396), (4022, 72090), (4806, 60330), (5340, 54297), (6033, 48060), (7209, 40220), (8010, 36198), (8044, 36045), (9612, 30165), (10055, 28836), (12015, 24132), (12066, 24030), (14418, 20110), (16020, 18099)]