980079880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{373}}^1$

素因数の和:591

約数の個数: 128

約数和(自身を含む): 2473067520

約数和(自身を除く): 1492987640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 163, 248, 260, 310, 326, 373, 403, 520, 620, 652, 746, 806, 815, 1240, 1304, 1492, 1612, 1630, 1865, 2015, 2119, 2984, 3224, 3260, 3730, 4030, 4238, 4849, 5053, 6520, 7460, 8060, 8476, 9698, 10106, 10595, 11563, 14920, 16120, 16952, 19396, 20212, 21190, 23126, 24245, 25265, 38792, 40424, 42380, 46252, 48490, 50530, 57815, 60799, 65689, 84760, 92504, 96980, 101060, 115630, 121598, 131378, 150319, 193960, 202120, 231260, 243196, 262756, 300638, 303995, 328445, 462520, 486392, 525512, 601276, 607990, 656890, 751595, 790387, 1202552, 1215980, 1313780, 1503190, 1580774, 1884769, 2431960, 2627560, 3006380, 3161548, 3769538, 3951935, 6012760, 6323096, 7539076, 7903870, 9423845, 15078152, 15807740, 18847690, 24501997, 31615480, 37695380, 49003994, 75390760, 98007988, 122509985, 196015976, 245019970, 490039940, 980079880]

約数ペア:

[(1, 980079880), (2, 490039940), (4, 245019970), (5, 196015976), (8, 122509985), (10, 98007988), (13, 75390760), (20, 49003994), (26, 37695380), (31, 31615480), (40, 24501997), (52, 18847690), (62, 15807740), (65, 15078152), (104, 9423845), (124, 7903870), (130, 7539076), (155, 6323096), (163, 6012760), (248, 3951935), (260, 3769538), (310, 3161548), (326, 3006380), (373, 2627560), (403, 2431960), (520, 1884769), (620, 1580774), (652, 1503190), (746, 1313780), (806, 1215980), (815, 1202552), (1240, 790387), (1304, 751595), (1492, 656890), (1612, 607990), (1630, 601276), (1865, 525512), (2015, 486392), (2119, 462520), (2984, 328445), (3224, 303995), (3260, 300638), (3730, 262756), (4030, 243196), (4238, 231260), (4849, 202120), (5053, 193960), (6520, 150319), (7460, 131378), (8060, 121598), (8476, 115630), (9698, 101060), (10106, 96980), (10595, 92504), (11563, 84760), (14920, 65689), (16120, 60799), (16952, 57815), (19396, 50530), (20212, 48490), (21190, 46252), (23126, 42380), (24245, 40424), (25265, 38792)]